Home / 804,730.30-1,207,095.45-272,268.70

Finding the Fourth Proportional to 804,730.30, 1,207,095.45 and 272,268.70

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Solution

The fourth proportional to 804,730.30, 1,207,095.45 and 272,268.70 is: 408,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,730.30 : 1,207,095.45 = 272,268.70 : x
  2. Step 2: Convert to fraction form
    804,730.30/1,207,095.45 = 272,268.70/x
  3. Step 3: Cross multiply
    804,730.30x = 1,207,095.45 × 272,268.70
  4. Step 4: Simplify right side
    804,730.30x = 328,654,308,947.42
  5. Step 5: Solve for x
    x = 328,654,308,947.42/804,730.30
  6. Step 6: Final answer
    x = 408,403.05

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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.