Home / 723,053.64-1,084,361.46-217,480.38

Finding the Fourth Proportional to 723,053.64, 1,084,361.46 and 217,480.38

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Solution

The fourth proportional to 723,053.64, 1,084,361.46 and 217,480.38 is: 326,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,053.64 : 1,084,361.46 = 217,480.38 : x
  2. Step 2: Convert to fraction form
    723,053.64/1,084,361.46 = 217,480.38/x
  3. Step 3: Cross multiply
    723,053.64x = 1,084,361.46 × 217,480.38
  4. Step 4: Simplify right side
    723,053.64x = 235,827,342,378.16
  5. Step 5: Solve for x
    x = 235,827,342,378.16/723,053.64
  6. Step 6: Final answer
    x = 326,154.70

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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.