Home / 485,719.20-670,293.18-267,923.01

Finding the Fourth Proportional to 485,719.20, 670,293.18 and 267,923.01

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Solution

The fourth proportional to 485,719.20, 670,293.18 and 267,923.01 is: 369,734.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,719.20 : 670,293.18 = 267,923.01 : x
  2. Step 2: Convert to fraction form
    485,719.20/670,293.18 = 267,923.01/x
  3. Step 3: Cross multiply
    485,719.20x = 670,293.18 × 267,923.01
  4. Step 4: Simplify right side
    485,719.20x = 179,586,966,368.07
  5. Step 5: Solve for x
    x = 179,586,966,368.07/485,719.20
  6. Step 6: Final answer
    x = 369,734.13

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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.