Home / 912,094.83-1,368,337.86-272,448.90

Finding the Fourth Proportional to 912,094.83, 1,368,337.86 and 272,448.90

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Solution

The fourth proportional to 912,094.83, 1,368,337.86 and 272,448.90 is: 408,731.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,094.83 : 1,368,337.86 = 272,448.90 : x
  2. Step 2: Convert to fraction form
    912,094.83/1,368,337.86 = 272,448.90/x
  3. Step 3: Cross multiply
    912,094.83x = 1,368,337.86 × 272,448.90
  4. Step 4: Simplify right side
    912,094.83x = 372,802,144,785.35
  5. Step 5: Solve for x
    x = 372,802,144,785.35/912,094.83
  6. Step 6: Final answer
    x = 408,731.78

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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.