Home / 988,452.46-1,482,117-389,089

Finding the Fourth Proportional to 988,452.46, 1,482,117 and 389,089

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Solution

The fourth proportional to 988,452.46, 1,482,117 and 389,089 is: 583,412.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,452.46 : 1,482,117 = 389,089 : x
  2. Step 2: Convert to fraction form
    988,452.46/1,482,117 = 389,089/x
  3. Step 3: Cross multiply
    988,452.46x = 1,482,117 × 389,089
  4. Step 4: Simplify right side
    988,452.46x = 576,675,421,413
  5. Step 5: Solve for x
    x = 576,675,421,413/988,452.46
  6. Step 6: Final answer
    x = 583,412.40

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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.