Home / 416,619.86-574,776.88-307,985.02

Finding the Fourth Proportional to 416,619.86, 574,776.88 and 307,985.02

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Solution

The fourth proportional to 416,619.86, 574,776.88 and 307,985.02 is: 424,902.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,619.86 : 574,776.88 = 307,985.02 : x
  2. Step 2: Convert to fraction form
    416,619.86/574,776.88 = 307,985.02/x
  3. Step 3: Cross multiply
    416,619.86x = 574,776.88 × 307,985.02
  4. Step 4: Simplify right side
    416,619.86x = 177,022,668,882.34
  5. Step 5: Solve for x
    x = 177,022,668,882.34/416,619.86
  6. Step 6: Final answer
    x = 424,902.14

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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.