Home / 807,082.38-1,113,507.09-520,792.74

Finding the Fourth Proportional to 807,082.38, 1,113,507.09 and 520,792.74

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Solution

The fourth proportional to 807,082.38, 1,113,507.09 and 520,792.74 is: 718,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,082.38 : 1,113,507.09 = 520,792.74 : x
  2. Step 2: Convert to fraction form
    807,082.38/1,113,507.09 = 520,792.74/x
  3. Step 3: Cross multiply
    807,082.38x = 1,113,507.09 × 520,792.74
  4. Step 4: Simplify right side
    807,082.38x = 579,906,408,410.53
  5. Step 5: Solve for x
    x = 579,906,408,410.53/807,082.38
  6. Step 6: Final answer
    x = 718,521.95

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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.