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Finding the Fourth Proportional to 497,718.40, 746,577.60 and 459,227.20

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Solution

The fourth proportional to 497,718.40, 746,577.60 and 459,227.20 is: 688,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,718.40 : 746,577.60 = 459,227.20 : x
  2. Step 2: Convert to fraction form
    497,718.40/746,577.60 = 459,227.20/x
  3. Step 3: Cross multiply
    497,718.40x = 746,577.60 × 459,227.20
  4. Step 4: Simplify right side
    497,718.40x = 342,848,740,830.72
  5. Step 5: Solve for x
    x = 342,848,740,830.72/497,718.40
  6. Step 6: Final answer
    x = 688,840.80

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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.