Home / 804,587.30-1,207,561.35-331,612.10

Finding the Fourth Proportional to 804,587.30, 1,207,561.35 and 331,612.10

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Solution

The fourth proportional to 804,587.30, 1,207,561.35 and 331,612.10 is: 497,698.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,587.30 : 1,207,561.35 = 331,612.10 : x
  2. Step 2: Convert to fraction form
    804,587.30/1,207,561.35 = 331,612.10/x
  3. Step 3: Cross multiply
    804,587.30x = 1,207,561.35 × 331,612.10
  4. Step 4: Simplify right side
    804,587.30x = 400,441,955,152.34
  5. Step 5: Solve for x
    x = 400,441,955,152.34/804,587.30
  6. Step 6: Final answer
    x = 497,698.58

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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.