Home / 987,701.10-1,481,616.45-277,752.30

Finding the Fourth Proportional to 987,701.10, 1,481,616.45 and 277,752.30

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Solution

The fourth proportional to 987,701.10, 1,481,616.45 and 277,752.30 is: 416,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,701.10 : 1,481,616.45 = 277,752.30 : x
  2. Step 2: Convert to fraction form
    987,701.10/1,481,616.45 = 277,752.30/x
  3. Step 3: Cross multiply
    987,701.10x = 1,481,616.45 × 277,752.30
  4. Step 4: Simplify right side
    987,701.10x = 411,522,376,705.34
  5. Step 5: Solve for x
    x = 411,522,376,705.34/987,701.10
  6. Step 6: Final answer
    x = 416,646.67

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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.