Home / 739,826.93-1,020,851.70-449,287.40

Finding the Fourth Proportional to 739,826.93, 1,020,851.70 and 449,287.40

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Solution

The fourth proportional to 739,826.93, 1,020,851.70 and 449,287.40 is: 619,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,826.93 : 1,020,851.70 = 449,287.40 : x
  2. Step 2: Convert to fraction form
    739,826.93/1,020,851.70 = 449,287.40/x
  3. Step 3: Cross multiply
    739,826.93x = 1,020,851.70 × 449,287.40
  4. Step 4: Simplify right side
    739,826.93x = 458,655,806,078.58
  5. Step 5: Solve for x
    x = 458,655,806,078.58/739,826.93
  6. Step 6: Final answer
    x = 619,950.14

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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.