Home / 485,787.16-729,312.18-373,546.20

Finding the Fourth Proportional to 485,787.16, 729,312.18 and 373,546.20

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Solution

The fourth proportional to 485,787.16, 729,312.18 and 373,546.20 is: 560,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,787.16 : 729,312.18 = 373,546.20 : x
  2. Step 2: Convert to fraction form
    485,787.16/729,312.18 = 373,546.20/x
  3. Step 3: Cross multiply
    485,787.16x = 729,312.18 × 373,546.20
  4. Step 4: Simplify right side
    485,787.16x = 272,431,787,938.42
  5. Step 5: Solve for x
    x = 272,431,787,938.42/485,787.16
  6. Step 6: Final answer
    x = 560,804.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.