Home / 715,636.17-1,073,445.45-210,179.16

Finding the Fourth Proportional to 715,636.17, 1,073,445.45 and 210,179.16

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Solution

The fourth proportional to 715,636.17, 1,073,445.45 and 210,179.16 is: 315,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,636.17 : 1,073,445.45 = 210,179.16 : x
  2. Step 2: Convert to fraction form
    715,636.17/1,073,445.45 = 210,179.16/x
  3. Step 3: Cross multiply
    715,636.17x = 1,073,445.45 × 210,179.16
  4. Step 4: Simplify right side
    715,636.17x = 225,615,862,986.82
  5. Step 5: Solve for x
    x = 225,615,862,986.82/715,636.17
  6. Step 6: Final answer
    x = 315,266.15

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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.