Home / 997,156.80-1,495,514.88-287,026.56

Finding the Fourth Proportional to 997,156.80, 1,495,514.88 and 287,026.56

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Solution

The fourth proportional to 997,156.80, 1,495,514.88 and 287,026.56 is: 430,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,156.80 : 1,495,514.88 = 287,026.56 : x
  2. Step 2: Convert to fraction form
    997,156.80/1,495,514.88 = 287,026.56/x
  3. Step 3: Cross multiply
    997,156.80x = 1,495,514.88 × 287,026.56
  4. Step 4: Simplify right side
    997,156.80x = 429,252,491,435.21
  5. Step 5: Solve for x
    x = 429,252,491,435.21/997,156.80
  6. Step 6: Final answer
    x = 430,476.42

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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.