Home / 812,777.92-1,122,181.46-507,319.52

Finding the Fourth Proportional to 812,777.92, 1,122,181.46 and 507,319.52

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Solution

The fourth proportional to 812,777.92, 1,122,181.46 and 507,319.52 is: 700,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,777.92 : 1,122,181.46 = 507,319.52 : x
  2. Step 2: Convert to fraction form
    812,777.92/1,122,181.46 = 507,319.52/x
  3. Step 3: Cross multiply
    812,777.92x = 1,122,181.46 × 507,319.52
  4. Step 4: Simplify right side
    812,777.92x = 569,304,559,640.10
  5. Step 5: Solve for x
    x = 569,304,559,640.10/812,777.92
  6. Step 6: Final answer
    x = 700,442.94

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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.