Home / 572,353.66-789,397.34-507,012.38

Finding the Fourth Proportional to 572,353.66, 789,397.34 and 507,012.38

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Solution

The fourth proportional to 572,353.66, 789,397.34 and 507,012.38 is: 699,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,353.66 : 789,397.34 = 507,012.38 : x
  2. Step 2: Convert to fraction form
    572,353.66/789,397.34 = 507,012.38/x
  3. Step 3: Cross multiply
    572,353.66x = 789,397.34 × 507,012.38
  4. Step 4: Simplify right side
    572,353.66x = 400,234,224,119.07
  5. Step 5: Solve for x
    x = 400,234,224,119.07/572,353.66
  6. Step 6: Final answer
    x = 699,277.83

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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.