Home / 690,005.52-1,034,680.56-240,671.84

Finding the Fourth Proportional to 690,005.52, 1,034,680.56 and 240,671.84

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Solution

The fourth proportional to 690,005.52, 1,034,680.56 and 240,671.84 is: 360,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,005.52 : 1,034,680.56 = 240,671.84 : x
  2. Step 2: Convert to fraction form
    690,005.52/1,034,680.56 = 240,671.84/x
  3. Step 3: Cross multiply
    690,005.52x = 1,034,680.56 × 240,671.84
  4. Step 4: Simplify right side
    690,005.52x = 249,018,474,187.43
  5. Step 5: Solve for x
    x = 249,018,474,187.43/690,005.52
  6. Step 6: Final answer
    x = 360,893.45

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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.