Home / 738,206.80-1,108,622.40-538,752.40

Finding the Fourth Proportional to 738,206.80, 1,108,622.40 and 538,752.40

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Solution

The fourth proportional to 738,206.80, 1,108,622.40 and 538,752.40 is: 809,086.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,206.80 : 1,108,622.40 = 538,752.40 : x
  2. Step 2: Convert to fraction form
    738,206.80/1,108,622.40 = 538,752.40/x
  3. Step 3: Cross multiply
    738,206.80x = 1,108,622.40 × 538,752.40
  4. Step 4: Simplify right side
    738,206.80x = 597,272,978,693.76
  5. Step 5: Solve for x
    x = 597,272,978,693.76/738,206.80
  6. Step 6: Final answer
    x = 809,086.26

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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.