Home / 788,461.62-1,088,077.47-425,885.48

Finding the Fourth Proportional to 788,461.62, 1,088,077.47 and 425,885.48

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Solution

The fourth proportional to 788,461.62, 1,088,077.47 and 425,885.48 is: 587,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,461.62 : 1,088,077.47 = 425,885.48 : x
  2. Step 2: Convert to fraction form
    788,461.62/1,088,077.47 = 425,885.48/x
  3. Step 3: Cross multiply
    788,461.62x = 1,088,077.47 × 425,885.48
  4. Step 4: Simplify right side
    788,461.62x = 463,396,396,224.38
  5. Step 5: Solve for x
    x = 463,396,396,224.38/788,461.62
  6. Step 6: Final answer
    x = 587,722.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.