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Finding the Fourth Proportional to 661,035.32, 912,154.56 and 374,494.04

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Solution

The fourth proportional to 661,035.32, 912,154.56 and 374,494.04 is: 516,759.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,035.32 : 912,154.56 = 374,494.04 : x
  2. Step 2: Convert to fraction form
    661,035.32/912,154.56 = 374,494.04/x
  3. Step 3: Cross multiply
    661,035.32x = 912,154.56 × 374,494.04
  4. Step 4: Simplify right side
    661,035.32x = 341,596,446,278.82
  5. Step 5: Solve for x
    x = 341,596,446,278.82/661,035.32
  6. Step 6: Final answer
    x = 516,759.75

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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.