Home / 788,686.30-1,183,029.45-473,758.30

Finding the Fourth Proportional to 788,686.30, 1,183,029.45 and 473,758.30

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Solution

The fourth proportional to 788,686.30, 1,183,029.45 and 473,758.30 is: 710,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,686.30 : 1,183,029.45 = 473,758.30 : x
  2. Step 2: Convert to fraction form
    788,686.30/1,183,029.45 = 473,758.30/x
  3. Step 3: Cross multiply
    788,686.30x = 1,183,029.45 × 473,758.30
  4. Step 4: Simplify right side
    788,686.30x = 560,470,021,081.94
  5. Step 5: Solve for x
    x = 560,470,021,081.94/788,686.30
  6. Step 6: Final answer
    x = 710,637.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.