Home / 837,988.68-1,156,422.24-456,015.36

Finding the Fourth Proportional to 837,988.68, 1,156,422.24 and 456,015.36

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Solution

The fourth proportional to 837,988.68, 1,156,422.24 and 456,015.36 is: 629,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,988.68 : 1,156,422.24 = 456,015.36 : x
  2. Step 2: Convert to fraction form
    837,988.68/1,156,422.24 = 456,015.36/x
  3. Step 3: Cross multiply
    837,988.68x = 1,156,422.24 × 456,015.36
  4. Step 4: Simplify right side
    837,988.68x = 527,346,304,085.61
  5. Step 5: Solve for x
    x = 527,346,304,085.61/837,988.68
  6. Step 6: Final answer
    x = 629,300.03

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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.