Home / 857,281.27-1,283,399.37-572,264.90

Finding the Fourth Proportional to 857,281.27, 1,283,399.37 and 572,264.90

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Solution

The fourth proportional to 857,281.27, 1,283,399.37 and 572,264.90 is: 856,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,281.27 : 1,283,399.37 = 572,264.90 : x
  2. Step 2: Convert to fraction form
    857,281.27/1,283,399.37 = 572,264.90/x
  3. Step 3: Cross multiply
    857,281.27x = 1,283,399.37 × 572,264.90
  4. Step 4: Simplify right side
    857,281.27x = 734,444,406,919.30
  5. Step 5: Solve for x
    x = 734,444,406,919.30/857,281.27
  6. Step 6: Final answer
    x = 856,713.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.