Home / 692,937.20-1,039,434.96-219,612.08

Finding the Fourth Proportional to 692,937.20, 1,039,434.96 and 219,612.08

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Solution

The fourth proportional to 692,937.20, 1,039,434.96 and 219,612.08 is: 329,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,937.20 : 1,039,434.96 = 219,612.08 : x
  2. Step 2: Convert to fraction form
    692,937.20/1,039,434.96 = 219,612.08/x
  3. Step 3: Cross multiply
    692,937.20x = 1,039,434.96 × 219,612.08
  4. Step 4: Simplify right side
    692,937.20x = 228,272,473,590.32
  5. Step 5: Solve for x
    x = 228,272,473,590.32/692,937.20
  6. Step 6: Final answer
    x = 329,427.36

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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.