Home / 679,237.20-937,056.60-424,145.52

Finding the Fourth Proportional to 679,237.20, 937,056.60 and 424,145.52

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Solution

The fourth proportional to 679,237.20, 937,056.60 and 424,145.52 is: 585,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,237.20 : 937,056.60 = 424,145.52 : x
  2. Step 2: Convert to fraction form
    679,237.20/937,056.60 = 424,145.52/x
  3. Step 3: Cross multiply
    679,237.20x = 937,056.60 × 424,145.52
  4. Step 4: Simplify right side
    679,237.20x = 397,448,358,876.43
  5. Step 5: Solve for x
    x = 397,448,358,876.43/679,237.20
  6. Step 6: Final answer
    x = 585,139.27

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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.