Home / 688,707.84-1,032,470.04-239,370.36

Finding the Fourth Proportional to 688,707.84, 1,032,470.04 and 239,370.36

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Solution

The fourth proportional to 688,707.84, 1,032,470.04 and 239,370.36 is: 358,849.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,707.84 : 1,032,470.04 = 239,370.36 : x
  2. Step 2: Convert to fraction form
    688,707.84/1,032,470.04 = 239,370.36/x
  3. Step 3: Cross multiply
    688,707.84x = 1,032,470.04 × 239,370.36
  4. Step 4: Simplify right side
    688,707.84x = 247,142,725,164.01
  5. Step 5: Solve for x
    x = 247,142,725,164.01/688,707.84
  6. Step 6: Final answer
    x = 358,849.88

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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.