Home / 942,731.55-1,300,996.67-513,038.90

Finding the Fourth Proportional to 942,731.55, 1,300,996.67 and 513,038.90

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Solution

The fourth proportional to 942,731.55, 1,300,996.67 and 513,038.90 is: 708,008.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,731.55 : 1,300,996.67 = 513,038.90 : x
  2. Step 2: Convert to fraction form
    942,731.55/1,300,996.67 = 513,038.90/x
  3. Step 3: Cross multiply
    942,731.55x = 1,300,996.67 × 513,038.90
  4. Step 4: Simplify right side
    942,731.55x = 667,461,891,410.29
  5. Step 5: Solve for x
    x = 667,461,891,410.29/942,731.55
  6. Step 6: Final answer
    x = 708,008.44

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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.