Home / 987,899.49-1,482,522.35-455,424.93

Finding the Fourth Proportional to 987,899.49, 1,482,522.35 and 455,424.93

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Solution

The fourth proportional to 987,899.49, 1,482,522.35 and 455,424.93 is: 683,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,899.49 : 1,482,522.35 = 455,424.93 : x
  2. Step 2: Convert to fraction form
    987,899.49/1,482,522.35 = 455,424.93/x
  3. Step 3: Cross multiply
    987,899.49x = 1,482,522.35 × 455,424.93
  4. Step 4: Simplify right side
    987,899.49x = 675,177,635,195.06
  5. Step 5: Solve for x
    x = 675,177,635,195.06/987,899.49
  6. Step 6: Final answer
    x = 683,447.70

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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.