Home / 679,144.32-937,224.72-424,643.04

Finding the Fourth Proportional to 679,144.32, 937,224.72 and 424,643.04

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Solution

The fourth proportional to 679,144.32, 937,224.72 and 424,643.04 is: 586,010.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,144.32 : 937,224.72 = 424,643.04 : x
  2. Step 2: Convert to fraction form
    679,144.32/937,224.72 = 424,643.04/x
  3. Step 3: Cross multiply
    679,144.32x = 937,224.72 × 424,643.04
  4. Step 4: Simplify right side
    679,144.32x = 397,985,954,263.95
  5. Step 5: Solve for x
    x = 397,985,954,263.95/679,144.32
  6. Step 6: Final answer
    x = 586,010.87

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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.