Home / 688,696.88-1,032,453.60-239,359.36

Finding the Fourth Proportional to 688,696.88, 1,032,453.60 and 239,359.36

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Solution

The fourth proportional to 688,696.88, 1,032,453.60 and 239,359.36 is: 358,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,696.88 : 1,032,453.60 = 239,359.36 : x
  2. Step 2: Convert to fraction form
    688,696.88/1,032,453.60 = 239,359.36/x
  3. Step 3: Cross multiply
    688,696.88x = 1,032,453.60 × 239,359.36
  4. Step 4: Simplify right side
    688,696.88x = 247,127,432,925.70
  5. Step 5: Solve for x
    x = 247,127,432,925.70/688,696.88
  6. Step 6: Final answer
    x = 358,833.39

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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.