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Finding the Fourth Proportional to 700,304.82, 966,407.52 and 428,352.73

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Solution

The fourth proportional to 700,304.82, 966,407.52 and 428,352.73 is: 591,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,304.82 : 966,407.52 = 428,352.73 : x
  2. Step 2: Convert to fraction form
    700,304.82/966,407.52 = 428,352.73/x
  3. Step 3: Cross multiply
    700,304.82x = 966,407.52 × 428,352.73
  4. Step 4: Simplify right side
    700,304.82x = 413,963,301,701.39
  5. Step 5: Solve for x
    x = 413,963,301,701.39/700,304.82
  6. Step 6: Final answer
    x = 591,118.74

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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.