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Finding the Fourth Proportional to 704,860.18, 972,708.12 and 382,570.39

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Solution

The fourth proportional to 704,860.18, 972,708.12 and 382,570.39 is: 527,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,860.18 : 972,708.12 = 382,570.39 : x
  2. Step 2: Convert to fraction form
    704,860.18/972,708.12 = 382,570.39/x
  3. Step 3: Cross multiply
    704,860.18x = 972,708.12 × 382,570.39
  4. Step 4: Simplify right side
    704,860.18x = 372,129,324,824.57
  5. Step 5: Solve for x
    x = 372,129,324,824.57/704,860.18
  6. Step 6: Final answer
    x = 527,947.72

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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.