Home / 878,186.72-1,315,175.16-450,597.26

Finding the Fourth Proportional to 878,186.72, 1,315,175.16 and 450,597.26

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Solution

The fourth proportional to 878,186.72, 1,315,175.16 and 450,597.26 is: 674,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,186.72 : 1,315,175.16 = 450,597.26 : x
  2. Step 2: Convert to fraction form
    878,186.72/1,315,175.16 = 450,597.26/x
  3. Step 3: Cross multiply
    878,186.72x = 1,315,175.16 × 450,597.26
  4. Step 4: Simplify right side
    878,186.72x = 592,614,323,516.06
  5. Step 5: Solve for x
    x = 592,614,323,516.06/878,186.72
  6. Step 6: Final answer
    x = 674,815.86

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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.