Home / 912,982.40-1,366,849.20-558,688.40

Finding the Fourth Proportional to 912,982.40, 1,366,849.20 and 558,688.40

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Solution

The fourth proportional to 912,982.40, 1,366,849.20 and 558,688.40 is: 836,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,982.40 : 1,366,849.20 = 558,688.40 : x
  2. Step 2: Convert to fraction form
    912,982.40/1,366,849.20 = 558,688.40/x
  3. Step 3: Cross multiply
    912,982.40x = 1,366,849.20 × 558,688.40
  4. Step 4: Simplify right side
    912,982.40x = 763,642,792,589.28
  5. Step 5: Solve for x
    x = 763,642,792,589.28/912,982.40
  6. Step 6: Final answer
    x = 836,426.63

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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.