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Finding the Fourth Proportional to 715,870.12, 986,866.02 and 473,747.08

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Solution

The fourth proportional to 715,870.12, 986,866.02 and 473,747.08 is: 653,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,870.12 : 986,866.02 = 473,747.08 : x
  2. Step 2: Convert to fraction form
    715,870.12/986,866.02 = 473,747.08/x
  3. Step 3: Cross multiply
    715,870.12x = 986,866.02 × 473,747.08
  4. Step 4: Simplify right side
    715,870.12x = 467,524,895,326.22
  5. Step 5: Solve for x
    x = 467,524,895,326.22/715,870.12
  6. Step 6: Final answer
    x = 653,086.20

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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.