Home / 713,531.68-1,070,454.95-208,132.20

Finding the Fourth Proportional to 713,531.68, 1,070,454.95 and 208,132.20

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Solution

The fourth proportional to 713,531.68, 1,070,454.95 and 208,132.20 is: 312,244.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,531.68 : 1,070,454.95 = 208,132.20 : x
  2. Step 2: Convert to fraction form
    713,531.68/1,070,454.95 = 208,132.20/x
  3. Step 3: Cross multiply
    713,531.68x = 1,070,454.95 × 208,132.20
  4. Step 4: Simplify right side
    713,531.68x = 222,796,143,744.39
  5. Step 5: Solve for x
    x = 222,796,143,744.39/713,531.68
  6. Step 6: Final answer
    x = 312,244.22

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1.5x scale

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.