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Finding the Fourth Proportional to 606,569.60, 908,104.80 and 407,115.20

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Solution

The fourth proportional to 606,569.60, 908,104.80 and 407,115.20 is: 609,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,569.60 : 908,104.80 = 407,115.20 : x
  2. Step 2: Convert to fraction form
    606,569.60/908,104.80 = 407,115.20/x
  3. Step 3: Cross multiply
    606,569.60x = 908,104.80 × 407,115.20
  4. Step 4: Simplify right side
    606,569.60x = 369,703,267,272.96
  5. Step 5: Solve for x
    x = 369,703,267,272.96/606,569.60
  6. Step 6: Final answer
    x = 609,498.51

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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.