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Finding the Fourth Proportional to 677,376.29, 934,881.47 and 432,465.69

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Solution

The fourth proportional to 677,376.29, 934,881.47 and 432,465.69 is: 596,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,376.29 : 934,881.47 = 432,465.69 : x
  2. Step 2: Convert to fraction form
    677,376.29/934,881.47 = 432,465.69/x
  3. Step 3: Cross multiply
    677,376.29x = 934,881.47 × 432,465.69
  4. Step 4: Simplify right side
    677,376.29x = 404,304,157,829.44
  5. Step 5: Solve for x
    x = 404,304,157,829.44/677,376.29
  6. Step 6: Final answer
    x = 596,867.90

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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.