Home / 971,662.28-1,340,895.94-541,931.32

Finding the Fourth Proportional to 971,662.28, 1,340,895.94 and 541,931.32

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Solution

The fourth proportional to 971,662.28, 1,340,895.94 and 541,931.32 is: 747,866.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,662.28 : 1,340,895.94 = 541,931.32 : x
  2. Step 2: Convert to fraction form
    971,662.28/1,340,895.94 = 541,931.32/x
  3. Step 3: Cross multiply
    971,662.28x = 1,340,895.94 × 541,931.32
  4. Step 4: Simplify right side
    971,662.28x = 726,673,506,746.84
  5. Step 5: Solve for x
    x = 726,673,506,746.84/971,662.28
  6. Step 6: Final answer
    x = 747,866.33

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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.