Home / 674,061.42-929,777.58-512,562.40

Finding the Fourth Proportional to 674,061.42, 929,777.58 and 512,562.40

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Solution

The fourth proportional to 674,061.42, 929,777.58 and 512,562.40 is: 707,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,061.42 : 929,777.58 = 512,562.40 : x
  2. Step 2: Convert to fraction form
    674,061.42/929,777.58 = 512,562.40/x
  3. Step 3: Cross multiply
    674,061.42x = 929,777.58 × 512,562.40
  4. Step 4: Simplify right side
    674,061.42x = 476,569,027,870.99
  5. Step 5: Solve for x
    x = 476,569,027,870.99/674,061.42
  6. Step 6: Final answer
    x = 707,011.28

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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.