Home / 688,680.84-1,032,429.62-239,343.33

Finding the Fourth Proportional to 688,680.84, 1,032,429.62 and 239,343.33

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Solution

The fourth proportional to 688,680.84, 1,032,429.62 and 239,343.33 is: 358,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,680.84 : 1,032,429.62 = 239,343.33 : x
  2. Step 2: Convert to fraction form
    688,680.84/1,032,429.62 = 239,343.33/x
  3. Step 3: Cross multiply
    688,680.84x = 1,032,429.62 × 239,343.33
  4. Step 4: Simplify right side
    688,680.84x = 247,105,147,711.40
  5. Step 5: Solve for x
    x = 247,105,147,711.40/688,680.84
  6. Step 6: Final answer
    x = 358,809.38

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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.