Home / 572,870.40-858,139.20-292,545.60

Finding the Fourth Proportional to 572,870.40, 858,139.20 and 292,545.60

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Solution

The fourth proportional to 572,870.40, 858,139.20 and 292,545.60 is: 438,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,870.40 : 858,139.20 = 292,545.60 : x
  2. Step 2: Convert to fraction form
    572,870.40/858,139.20 = 292,545.60/x
  3. Step 3: Cross multiply
    572,870.40x = 858,139.20 × 292,545.60
  4. Step 4: Simplify right side
    572,870.40x = 251,044,847,147.52
  5. Step 5: Solve for x
    x = 251,044,847,147.52/572,870.40
  6. Step 6: Final answer
    x = 438,222.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.