Home / 872,904.56-1,309,030.13-304,139.66

Finding the Fourth Proportional to 872,904.56, 1,309,030.13 and 304,139.66

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Solution

The fourth proportional to 872,904.56, 1,309,030.13 and 304,139.66 is: 456,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,904.56 : 1,309,030.13 = 304,139.66 : x
  2. Step 2: Convert to fraction form
    872,904.56/1,309,030.13 = 304,139.66/x
  3. Step 3: Cross multiply
    872,904.56x = 1,309,030.13 × 304,139.66
  4. Step 4: Simplify right side
    872,904.56x = 398,127,972,883.15
  5. Step 5: Solve for x
    x = 398,127,972,883.15/872,904.56
  6. Step 6: Final answer
    x = 456,095.65

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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.