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Finding the Fourth Proportional to 616,005.20, 922,695.60 and 497,907.20

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Solution

The fourth proportional to 616,005.20, 922,695.60 and 497,907.20 is: 745,800.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,005.20 : 922,695.60 = 497,907.20 : x
  2. Step 2: Convert to fraction form
    616,005.20/922,695.60 = 497,907.20/x
  3. Step 3: Cross multiply
    616,005.20x = 922,695.60 × 497,907.20
  4. Step 4: Simplify right side
    616,005.20x = 459,416,782,648.32
  5. Step 5: Solve for x
    x = 459,416,782,648.32/616,005.20
  6. Step 6: Final answer
    x = 745,800.17

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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.