Home / 753,086.97-1,129,666.77-247,636.76

Finding the Fourth Proportional to 753,086.97, 1,129,666.77 and 247,636.76

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Solution

The fourth proportional to 753,086.97, 1,129,666.77 and 247,636.76 is: 371,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,086.97 : 1,129,666.77 = 247,636.76 : x
  2. Step 2: Convert to fraction form
    753,086.97/1,129,666.77 = 247,636.76/x
  3. Step 3: Cross multiply
    753,086.97x = 1,129,666.77 × 247,636.76
  4. Step 4: Simplify right side
    753,086.97x = 279,747,018,802.47
  5. Step 5: Solve for x
    x = 279,747,018,802.47/753,086.97
  6. Step 6: Final answer
    x = 371,467.08

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1.5x scale

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.