Home / 555,089.31-766,041.80-340,187.85

Finding the Fourth Proportional to 555,089.31, 766,041.80 and 340,187.85

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Solution

The fourth proportional to 555,089.31, 766,041.80 and 340,187.85 is: 469,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,089.31 : 766,041.80 = 340,187.85 : x
  2. Step 2: Convert to fraction form
    555,089.31/766,041.80 = 340,187.85/x
  3. Step 3: Cross multiply
    555,089.31x = 766,041.80 × 340,187.85
  4. Step 4: Simplify right side
    555,089.31x = 260,598,111,251.19
  5. Step 5: Solve for x
    x = 260,598,111,251.19/555,089.31
  6. Step 6: Final answer
    x = 469,470.60

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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.