Home / 765,331.65-1,147,013.33-465,493.95

Finding the Fourth Proportional to 765,331.65, 1,147,013.33 and 465,493.95

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Solution

The fourth proportional to 765,331.65, 1,147,013.33 and 465,493.95 is: 697,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,331.65 : 1,147,013.33 = 465,493.95 : x
  2. Step 2: Convert to fraction form
    765,331.65/1,147,013.33 = 465,493.95/x
  3. Step 3: Cross multiply
    765,331.65x = 1,147,013.33 × 465,493.95
  4. Step 4: Simplify right side
    765,331.65x = 533,927,763,356.88
  5. Step 5: Solve for x
    x = 533,927,763,356.88/765,331.65
  6. Step 6: Final answer
    x = 697,642.34

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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.