Home / 911,565.84-1,367,749.62-485,001.34

Finding the Fourth Proportional to 911,565.84, 1,367,749.62 and 485,001.34

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Solution

The fourth proportional to 911,565.84, 1,367,749.62 and 485,001.34 is: 727,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,565.84 : 1,367,749.62 = 485,001.34 : x
  2. Step 2: Convert to fraction form
    911,565.84/1,367,749.62 = 485,001.34/x
  3. Step 3: Cross multiply
    911,565.84x = 1,367,749.62 × 485,001.34
  4. Step 4: Simplify right side
    911,565.84x = 663,360,398,484.49
  5. Step 5: Solve for x
    x = 663,360,398,484.49/911,565.84
  6. Step 6: Final answer
    x = 727,715.29

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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.