Home / 847,108.76-1,270,290.13-397,957.28

Finding the Fourth Proportional to 847,108.76, 1,270,290.13 and 397,957.28

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Solution

The fourth proportional to 847,108.76, 1,270,290.13 and 397,957.28 is: 596,760.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,108.76 : 1,270,290.13 = 397,957.28 : x
  2. Step 2: Convert to fraction form
    847,108.76/1,270,290.13 = 397,957.28/x
  3. Step 3: Cross multiply
    847,108.76x = 1,270,290.13 × 397,957.28
  4. Step 4: Simplify right side
    847,108.76x = 505,521,197,599.30
  5. Step 5: Solve for x
    x = 505,521,197,599.30/847,108.76
  6. Step 6: Final answer
    x = 596,760.68

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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.