Home / 988,526.27-1,482,789.61-278,462.05

Finding the Fourth Proportional to 988,526.27, 1,482,789.61 and 278,462.05

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Solution

The fourth proportional to 988,526.27, 1,482,789.61 and 278,462.05 is: 417,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,526.27 : 1,482,789.61 = 278,462.05 : x
  2. Step 2: Convert to fraction form
    988,526.27/1,482,789.61 = 278,462.05/x
  3. Step 3: Cross multiply
    988,526.27x = 1,482,789.61 × 278,462.05
  4. Step 4: Simplify right side
    988,526.27x = 412,900,631,160.40
  5. Step 5: Solve for x
    x = 412,900,631,160.40/988,526.27
  6. Step 6: Final answer
    x = 417,693.13

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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.