Home / 747,926.52-1,032,138.54-408,395.04

Finding the Fourth Proportional to 747,926.52, 1,032,138.54 and 408,395.04

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Solution

The fourth proportional to 747,926.52, 1,032,138.54 and 408,395.04 is: 563,585.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,926.52 : 1,032,138.54 = 408,395.04 : x
  2. Step 2: Convert to fraction form
    747,926.52/1,032,138.54 = 408,395.04/x
  3. Step 3: Cross multiply
    747,926.52x = 1,032,138.54 × 408,395.04
  4. Step 4: Simplify right side
    747,926.52x = 421,520,260,328.84
  5. Step 5: Solve for x
    x = 421,520,260,328.84/747,926.52
  6. Step 6: Final answer
    x = 563,585.12

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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.