Home / 541,555.02-747,246.33-312,080.13

Finding the Fourth Proportional to 541,555.02, 747,246.33 and 312,080.13

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Solution

The fourth proportional to 541,555.02, 747,246.33 and 312,080.13 is: 430,613.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,555.02 : 747,246.33 = 312,080.13 : x
  2. Step 2: Convert to fraction form
    541,555.02/747,246.33 = 312,080.13/x
  3. Step 3: Cross multiply
    541,555.02x = 747,246.33 × 312,080.13
  4. Step 4: Simplify right side
    541,555.02x = 233,200,731,808.42
  5. Step 5: Solve for x
    x = 233,200,731,808.42/541,555.02
  6. Step 6: Final answer
    x = 430,613.18

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1.5x scale

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.