Home / 874,877.18-1,312,191.18-275,760.47

Finding the Fourth Proportional to 874,877.18, 1,312,191.18 and 275,760.47

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Solution

The fourth proportional to 874,877.18, 1,312,191.18 and 275,760.47 is: 413,601.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,877.18 : 1,312,191.18 = 275,760.47 : x
  2. Step 2: Convert to fraction form
    874,877.18/1,312,191.18 = 275,760.47/x
  3. Step 3: Cross multiply
    874,877.18x = 1,312,191.18 × 275,760.47
  4. Step 4: Simplify right side
    874,877.18x = 361,850,459,807.13
  5. Step 5: Solve for x
    x = 361,850,459,807.13/874,877.18
  6. Step 6: Final answer
    x = 413,601.44

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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.