Home / 508,406.18-701,577.04-278,957.74

Finding the Fourth Proportional to 508,406.18, 701,577.04 and 278,957.74

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Solution

The fourth proportional to 508,406.18, 701,577.04 and 278,957.74 is: 384,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,406.18 : 701,577.04 = 278,957.74 : x
  2. Step 2: Convert to fraction form
    508,406.18/701,577.04 = 278,957.74/x
  3. Step 3: Cross multiply
    508,406.18x = 701,577.04 × 278,957.74
  4. Step 4: Simplify right side
    508,406.18x = 195,710,345,514.29
  5. Step 5: Solve for x
    x = 195,710,345,514.29/508,406.18
  6. Step 6: Final answer
    x = 384,948.79

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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.