Home / 859,319.08-1,185,863.69-472,165.88

Finding the Fourth Proportional to 859,319.08, 1,185,863.69 and 472,165.88

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Solution

The fourth proportional to 859,319.08, 1,185,863.69 and 472,165.88 is: 651,590.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,319.08 : 1,185,863.69 = 472,165.88 : x
  2. Step 2: Convert to fraction form
    859,319.08/1,185,863.69 = 472,165.88/x
  3. Step 3: Cross multiply
    859,319.08x = 1,185,863.69 × 472,165.88
  4. Step 4: Simplify right side
    859,319.08x = 559,924,367,999.99
  5. Step 5: Solve for x
    x = 559,924,367,999.99/859,319.08
  6. Step 6: Final answer
    x = 651,590.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.