Home / 690,399.63-953,046.33-464,176.35

Finding the Fourth Proportional to 690,399.63, 953,046.33 and 464,176.35

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Solution

The fourth proportional to 690,399.63, 953,046.33 and 464,176.35 is: 640,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,399.63 : 953,046.33 = 464,176.35 : x
  2. Step 2: Convert to fraction form
    690,399.63/953,046.33 = 464,176.35/x
  3. Step 3: Cross multiply
    690,399.63x = 953,046.33 × 464,176.35
  4. Step 4: Simplify right side
    690,399.63x = 442,381,566,840.30
  5. Step 5: Solve for x
    x = 442,381,566,840.30/690,399.63
  6. Step 6: Final answer
    x = 640,761.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.