Home / 716,617.32-1,074,925.97-261,242.70

Finding the Fourth Proportional to 716,617.32, 1,074,925.97 and 261,242.70

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Solution

The fourth proportional to 716,617.32, 1,074,925.97 and 261,242.70 is: 391,864.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,617.32 : 1,074,925.97 = 261,242.70 : x
  2. Step 2: Convert to fraction form
    716,617.32/1,074,925.97 = 261,242.70/x
  3. Step 3: Cross multiply
    716,617.32x = 1,074,925.97 × 261,242.70
  4. Step 4: Simplify right side
    716,617.32x = 280,816,562,702.92
  5. Step 5: Solve for x
    x = 280,816,562,702.92/716,617.32
  6. Step 6: Final answer
    x = 391,864.05

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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.