Home / 679,079.57-937,073.72-373,140.14

Finding the Fourth Proportional to 679,079.57, 937,073.72 and 373,140.14

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Solution

The fourth proportional to 679,079.57, 937,073.72 and 373,140.14 is: 514,902.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,079.57 : 937,073.72 = 373,140.14 : x
  2. Step 2: Convert to fraction form
    679,079.57/937,073.72 = 373,140.14/x
  3. Step 3: Cross multiply
    679,079.57x = 937,073.72 × 373,140.14
  4. Step 4: Simplify right side
    679,079.57x = 349,659,815,318.60
  5. Step 5: Solve for x
    x = 349,659,815,318.60/679,079.57
  6. Step 6: Final answer
    x = 514,902.57

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1.5x scale

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.