Home / 702,318.90-1,053,206.19-252,943.86

Finding the Fourth Proportional to 702,318.90, 1,053,206.19 and 252,943.86

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Solution

The fourth proportional to 702,318.90, 1,053,206.19 and 252,943.86 is: 379,317.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,318.90 : 1,053,206.19 = 252,943.86 : x
  2. Step 2: Convert to fraction form
    702,318.90/1,053,206.19 = 252,943.86/x
  3. Step 3: Cross multiply
    702,318.90x = 1,053,206.19 × 252,943.86
  4. Step 4: Simplify right side
    702,318.90x = 266,402,039,074.49
  5. Step 5: Solve for x
    x = 266,402,039,074.49/702,318.90
  6. Step 6: Final answer
    x = 379,317.77

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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.