Home / 713,348.68-1,070,081.26-292,628.20

Finding the Fourth Proportional to 713,348.68, 1,070,081.26 and 292,628.20

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Solution

The fourth proportional to 713,348.68, 1,070,081.26 and 292,628.20 is: 438,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,348.68 : 1,070,081.26 = 292,628.20 : x
  2. Step 2: Convert to fraction form
    713,348.68/1,070,081.26 = 292,628.20/x
  3. Step 3: Cross multiply
    713,348.68x = 1,070,081.26 × 292,628.20
  4. Step 4: Simplify right side
    713,348.68x = 313,135,952,967.53
  5. Step 5: Solve for x
    x = 313,135,952,967.53/713,348.68
  6. Step 6: Final answer
    x = 438,966.19

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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.