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Finding the Fourth Proportional to 536,132.88, 739,901.16 and 354,529.20

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Solution

The fourth proportional to 536,132.88, 739,901.16 and 354,529.20 is: 489,275.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,132.88 : 739,901.16 = 354,529.20 : x
  2. Step 2: Convert to fraction form
    536,132.88/739,901.16 = 354,529.20/x
  3. Step 3: Cross multiply
    536,132.88x = 739,901.16 × 354,529.20
  4. Step 4: Simplify right side
    536,132.88x = 262,316,566,333.87
  5. Step 5: Solve for x
    x = 262,316,566,333.87/536,132.88
  6. Step 6: Final answer
    x = 489,275.28

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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.