Home / 865,632.80-1,296,480.90-546,768.20

Finding the Fourth Proportional to 865,632.80, 1,296,480.90 and 546,768.20

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Solution

The fourth proportional to 865,632.80, 1,296,480.90 and 546,768.20 is: 818,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,632.80 : 1,296,480.90 = 546,768.20 : x
  2. Step 2: Convert to fraction form
    865,632.80/1,296,480.90 = 546,768.20/x
  3. Step 3: Cross multiply
    865,632.80x = 1,296,480.90 × 546,768.20
  4. Step 4: Simplify right side
    865,632.80x = 708,874,528,027.38
  5. Step 5: Solve for x
    x = 708,874,528,027.38/865,632.80
  6. Step 6: Final answer
    x = 818,909.04

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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.