Home / 723,284.40-1,084,926.51-243,471.90

Finding the Fourth Proportional to 723,284.40, 1,084,926.51 and 243,471.90

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Solution

The fourth proportional to 723,284.40, 1,084,926.51 and 243,471.90 is: 365,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,284.40 : 1,084,926.51 = 243,471.90 : x
  2. Step 2: Convert to fraction form
    723,284.40/1,084,926.51 = 243,471.90/x
  3. Step 3: Cross multiply
    723,284.40x = 1,084,926.51 × 243,471.90
  4. Step 4: Simplify right side
    723,284.40x = 264,149,118,750.07
  5. Step 5: Solve for x
    x = 264,149,118,750.07/723,284.40
  6. Step 6: Final answer
    x = 365,207.82

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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.