Home / 806,475.95-1,209,717.10-326,712.82

Finding the Fourth Proportional to 806,475.95, 1,209,717.10 and 326,712.82

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Solution

The fourth proportional to 806,475.95, 1,209,717.10 and 326,712.82 is: 490,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,475.95 : 1,209,717.10 = 326,712.82 : x
  2. Step 2: Convert to fraction form
    806,475.95/1,209,717.10 = 326,712.82/x
  3. Step 3: Cross multiply
    806,475.95x = 1,209,717.10 × 326,712.82
  4. Step 4: Simplify right side
    806,475.95x = 395,230,084,326.44
  5. Step 5: Solve for x
    x = 395,230,084,326.44/806,475.95
  6. Step 6: Final answer
    x = 490,070.52

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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.