Home / 817,017.48-1,225,559.16-284,592.33

Finding the Fourth Proportional to 817,017.48, 1,225,559.16 and 284,592.33

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Solution

The fourth proportional to 817,017.48, 1,225,559.16 and 284,592.33 is: 426,899.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,017.48 : 1,225,559.16 = 284,592.33 : x
  2. Step 2: Convert to fraction form
    817,017.48/1,225,559.16 = 284,592.33/x
  3. Step 3: Cross multiply
    817,017.48x = 1,225,559.16 × 284,592.33
  4. Step 4: Simplify right side
    817,017.48x = 348,784,736,897.24
  5. Step 5: Solve for x
    x = 348,784,736,897.24/817,017.48
  6. Step 6: Final answer
    x = 426,899.97

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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.