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Finding the Fourth Proportional to 546,886.60, 820,329.90 and 525,891.40

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Solution

The fourth proportional to 546,886.60, 820,329.90 and 525,891.40 is: 788,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,886.60 : 820,329.90 = 525,891.40 : x
  2. Step 2: Convert to fraction form
    546,886.60/820,329.90 = 525,891.40/x
  3. Step 3: Cross multiply
    546,886.60x = 820,329.90 × 525,891.40
  4. Step 4: Simplify right side
    546,886.60x = 431,404,439,572.86
  5. Step 5: Solve for x
    x = 431,404,439,572.86/546,886.60
  6. Step 6: Final answer
    x = 788,837.10

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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.