Home / 801,565.93-1,105,628.97-515,448.01

Finding the Fourth Proportional to 801,565.93, 1,105,628.97 and 515,448.01

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Solution

The fourth proportional to 801,565.93, 1,105,628.97 and 515,448.01 is: 710,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,565.93 : 1,105,628.97 = 515,448.01 : x
  2. Step 2: Convert to fraction form
    801,565.93/1,105,628.97 = 515,448.01/x
  3. Step 3: Cross multiply
    801,565.93x = 1,105,628.97 × 515,448.01
  4. Step 4: Simplify right side
    801,565.93x = 569,894,252,384.85
  5. Step 5: Solve for x
    x = 569,894,252,384.85/801,565.93
  6. Step 6: Final answer
    x = 710,976.14

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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.