Home / 662,148.08-913,785.08-375,680.24

Finding the Fourth Proportional to 662,148.08, 913,785.08 and 375,680.24

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Solution

The fourth proportional to 662,148.08, 913,785.08 and 375,680.24 is: 518,450.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,148.08 : 913,785.08 = 375,680.24 : x
  2. Step 2: Convert to fraction form
    662,148.08/913,785.08 = 375,680.24/x
  3. Step 3: Cross multiply
    662,148.08x = 913,785.08 × 375,680.24
  4. Step 4: Simplify right side
    662,148.08x = 343,290,998,162.82
  5. Step 5: Solve for x
    x = 343,290,998,162.82/662,148.08
  6. Step 6: Final answer
    x = 518,450.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.