Home / 555,084.06-766,034.55-340,182.60

Finding the Fourth Proportional to 555,084.06, 766,034.55 and 340,182.60

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Solution

The fourth proportional to 555,084.06, 766,034.55 and 340,182.60 is: 469,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,084.06 : 766,034.55 = 340,182.60 : x
  2. Step 2: Convert to fraction form
    555,084.06/766,034.55 = 340,182.60/x
  3. Step 3: Cross multiply
    555,084.06x = 766,034.55 × 340,182.60
  4. Step 4: Simplify right side
    555,084.06x = 260,591,624,908.83
  5. Step 5: Solve for x
    x = 260,591,624,908.83/555,084.06
  6. Step 6: Final answer
    x = 469,463.35

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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.