Home / 679,231.20-937,048.32-424,139.52

Finding the Fourth Proportional to 679,231.20, 937,048.32 and 424,139.52

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Solution

The fourth proportional to 679,231.20, 937,048.32 and 424,139.52 is: 585,130.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,231.20 : 937,048.32 = 424,139.52 : x
  2. Step 2: Convert to fraction form
    679,231.20/937,048.32 = 424,139.52/x
  3. Step 3: Cross multiply
    679,231.20x = 937,048.32 × 424,139.52
  4. Step 4: Simplify right side
    679,231.20x = 397,439,224,661.61
  5. Step 5: Solve for x
    x = 397,439,224,661.61/679,231.20
  6. Step 6: Final answer
    x = 585,130.99

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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.