Home / 739,935.51-1,020,734.87-449,470.01

Finding the Fourth Proportional to 739,935.51, 1,020,734.87 and 449,470.01

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Solution

The fourth proportional to 739,935.51, 1,020,734.87 and 449,470.01 is: 620,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,935.51 : 1,020,734.87 = 449,470.01 : x
  2. Step 2: Convert to fraction form
    739,935.51/1,020,734.87 = 449,470.01/x
  3. Step 3: Cross multiply
    739,935.51x = 1,020,734.87 × 449,470.01
  4. Step 4: Simplify right side
    739,935.51x = 458,789,712,530.74
  5. Step 5: Solve for x
    x = 458,789,712,530.74/739,935.51
  6. Step 6: Final answer
    x = 620,040.14

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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.