Home / 666,118.04-997,437.92-437,695.47

Finding the Fourth Proportional to 666,118.04, 997,437.92 and 437,695.47

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Solution

The fourth proportional to 666,118.04, 997,437.92 and 437,695.47 is: 655,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,118.04 : 997,437.92 = 437,695.47 : x
  2. Step 2: Convert to fraction form
    666,118.04/997,437.92 = 437,695.47/x
  3. Step 3: Cross multiply
    666,118.04x = 997,437.92 × 437,695.47
  4. Step 4: Simplify right side
    666,118.04x = 436,574,057,001.75
  5. Step 5: Solve for x
    x = 436,574,057,001.75/666,118.04
  6. Step 6: Final answer
    x = 655,400.45

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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.