Home / 822,977.13-1,234,209.48-290,373.38

Finding the Fourth Proportional to 822,977.13, 1,234,209.48 and 290,373.38

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Solution

The fourth proportional to 822,977.13, 1,234,209.48 and 290,373.38 is: 435,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,977.13 : 1,234,209.48 = 290,373.38 : x
  2. Step 2: Convert to fraction form
    822,977.13/1,234,209.48 = 290,373.38/x
  3. Step 3: Cross multiply
    822,977.13x = 1,234,209.48 × 290,373.38
  4. Step 4: Simplify right side
    822,977.13x = 358,381,572,164.60
  5. Step 5: Solve for x
    x = 358,381,572,164.60/822,977.13
  6. Step 6: Final answer
    x = 435,469.66

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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.