Home / 878,909.47-1,317,309.44-452,645.87

Finding the Fourth Proportional to 878,909.47, 1,317,309.44 and 452,645.87

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Solution

The fourth proportional to 878,909.47, 1,317,309.44 and 452,645.87 is: 678,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,909.47 : 1,317,309.44 = 452,645.87 : x
  2. Step 2: Convert to fraction form
    878,909.47/1,317,309.44 = 452,645.87/x
  3. Step 3: Cross multiply
    878,909.47x = 1,317,309.44 × 452,645.87
  4. Step 4: Simplify right side
    878,909.47x = 596,274,668,678.24
  5. Step 5: Solve for x
    x = 596,274,668,678.24/878,909.47
  6. Step 6: Final answer
    x = 678,425.58

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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.