Home / 707,280.30-1,060,920.45-257,851.80

Finding the Fourth Proportional to 707,280.30, 1,060,920.45 and 257,851.80

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Solution

The fourth proportional to 707,280.30, 1,060,920.45 and 257,851.80 is: 386,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,280.30 : 1,060,920.45 = 257,851.80 : x
  2. Step 2: Convert to fraction form
    707,280.30/1,060,920.45 = 257,851.80/x
  3. Step 3: Cross multiply
    707,280.30x = 1,060,920.45 × 257,851.80
  4. Step 4: Simplify right side
    707,280.30x = 273,560,247,689.31
  5. Step 5: Solve for x
    x = 273,560,247,689.31/707,280.30
  6. Step 6: Final answer
    x = 386,777.70

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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.