Home / 688,710.84-1,032,474.54-239,373.36

Finding the Fourth Proportional to 688,710.84, 1,032,474.54 and 239,373.36

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Solution

The fourth proportional to 688,710.84, 1,032,474.54 and 239,373.36 is: 358,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,710.84 : 1,032,474.54 = 239,373.36 : x
  2. Step 2: Convert to fraction form
    688,710.84/1,032,474.54 = 239,373.36/x
  3. Step 3: Cross multiply
    688,710.84x = 1,032,474.54 × 239,373.36
  4. Step 4: Simplify right side
    688,710.84x = 247,146,899,754.25
  5. Step 5: Solve for x
    x = 247,146,899,754.25/688,710.84
  6. Step 6: Final answer
    x = 358,854.38

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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.