Home / 887,070.90-1,330,606.35-256,005.30

Finding the Fourth Proportional to 887,070.90, 1,330,606.35 and 256,005.30

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Solution

The fourth proportional to 887,070.90, 1,330,606.35 and 256,005.30 is: 384,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,070.90 : 1,330,606.35 = 256,005.30 : x
  2. Step 2: Convert to fraction form
    887,070.90/1,330,606.35 = 256,005.30/x
  3. Step 3: Cross multiply
    887,070.90x = 1,330,606.35 × 256,005.30
  4. Step 4: Simplify right side
    887,070.90x = 340,642,277,813.66
  5. Step 5: Solve for x
    x = 340,642,277,813.66/887,070.90
  6. Step 6: Final answer
    x = 384,007.95

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Similar ratio
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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.