Home / 813,343.98-1,122,395.55-473,790.30

Finding the Fourth Proportional to 813,343.98, 1,122,395.55 and 473,790.30

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Solution

The fourth proportional to 813,343.98, 1,122,395.55 and 473,790.30 is: 653,819.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,343.98 : 1,122,395.55 = 473,790.30 : x
  2. Step 2: Convert to fraction form
    813,343.98/1,122,395.55 = 473,790.30/x
  3. Step 3: Cross multiply
    813,343.98x = 1,122,395.55 × 473,790.30
  4. Step 4: Simplify right side
    813,343.98x = 531,780,124,353.17
  5. Step 5: Solve for x
    x = 531,780,124,353.17/813,343.98
  6. Step 6: Final answer
    x = 653,819.46

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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.