Home / 688,689.36-1,032,442.36-239,351.85

Finding the Fourth Proportional to 688,689.36, 1,032,442.36 and 239,351.85

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Solution

The fourth proportional to 688,689.36, 1,032,442.36 and 239,351.85 is: 358,822.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,689.36 : 1,032,442.36 = 239,351.85 : x
  2. Step 2: Convert to fraction form
    688,689.36/1,032,442.36 = 239,351.85/x
  3. Step 3: Cross multiply
    688,689.36x = 1,032,442.36 × 239,351.85
  4. Step 4: Simplify right side
    688,689.36x = 247,116,988,884.37
  5. Step 5: Solve for x
    x = 247,116,988,884.37/688,689.36
  6. Step 6: Final answer
    x = 358,822.14

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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.