Home / 718,766.40-1,077,998.40-363,446.40

Finding the Fourth Proportional to 718,766.40, 1,077,998.40 and 363,446.40

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Solution

The fourth proportional to 718,766.40, 1,077,998.40 and 363,446.40 is: 545,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,766.40 : 1,077,998.40 = 363,446.40 : x
  2. Step 2: Convert to fraction form
    718,766.40/1,077,998.40 = 363,446.40/x
  3. Step 3: Cross multiply
    718,766.40x = 1,077,998.40 × 363,446.40
  4. Step 4: Simplify right side
    718,766.40x = 391,794,637,685.76
  5. Step 5: Solve for x
    x = 391,794,637,685.76/718,766.40
  6. Step 6: Final answer
    x = 545,093.15

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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.