Home / 996,978.10-1,495,467.15-398,031.70

Finding the Fourth Proportional to 996,978.10, 1,495,467.15 and 398,031.70

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Solution

The fourth proportional to 996,978.10, 1,495,467.15 and 398,031.70 is: 597,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,978.10 : 1,495,467.15 = 398,031.70 : x
  2. Step 2: Convert to fraction form
    996,978.10/1,495,467.15 = 398,031.70/x
  3. Step 3: Cross multiply
    996,978.10x = 1,495,467.15 × 398,031.70
  4. Step 4: Simplify right side
    996,978.10x = 595,243,332,008.66
  5. Step 5: Solve for x
    x = 595,243,332,008.66/996,978.10
  6. Step 6: Final answer
    x = 597,047.55

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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.