Home / 912,068.70-1,368,298.86-272,423.04

Finding the Fourth Proportional to 912,068.70, 1,368,298.86 and 272,423.04

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Solution

The fourth proportional to 912,068.70, 1,368,298.86 and 272,423.04 is: 408,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,068.70 : 1,368,298.86 = 272,423.04 : x
  2. Step 2: Convert to fraction form
    912,068.70/1,368,298.86 = 272,423.04/x
  3. Step 3: Cross multiply
    912,068.70x = 1,368,298.86 × 272,423.04
  4. Step 4: Simplify right side
    912,068.70x = 372,756,135,069.73
  5. Step 5: Solve for x
    x = 372,756,135,069.73/912,068.70
  6. Step 6: Final answer
    x = 408,693.05

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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.