Home / 971,665.32-1,340,900.16-541,934.40

Finding the Fourth Proportional to 971,665.32, 1,340,900.16 and 541,934.40

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Solution

The fourth proportional to 971,665.32, 1,340,900.16 and 541,934.40 is: 747,870.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,665.32 : 1,340,900.16 = 541,934.40 : x
  2. Step 2: Convert to fraction form
    971,665.32/1,340,900.16 = 541,934.40/x
  3. Step 3: Cross multiply
    971,665.32x = 1,340,900.16 × 541,934.40
  4. Step 4: Simplify right side
    971,665.32x = 726,679,923,669.50
  5. Step 5: Solve for x
    x = 726,679,923,669.50/971,665.32
  6. Step 6: Final answer
    x = 747,870.60

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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.