Home / 912,323.10-1,366,411.05-576,399.90

Finding the Fourth Proportional to 912,323.10, 1,366,411.05 and 576,399.90

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Solution

The fourth proportional to 912,323.10, 1,366,411.05 and 576,399.90 is: 863,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,323.10 : 1,366,411.05 = 576,399.90 : x
  2. Step 2: Convert to fraction form
    912,323.10/1,366,411.05 = 576,399.90/x
  3. Step 3: Cross multiply
    912,323.10x = 1,366,411.05 × 576,399.90
  4. Step 4: Simplify right side
    912,323.10x = 787,599,192,578.90
  5. Step 5: Solve for x
    x = 787,599,192,578.90/912,323.10
  6. Step 6: Final answer
    x = 863,289.76

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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.