Home / 773,280.49-1,159,454.79-346,739.11

Finding the Fourth Proportional to 773,280.49, 1,159,454.79 and 346,739.11

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Solution

The fourth proportional to 773,280.49, 1,159,454.79 and 346,739.11 is: 519,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,280.49 : 1,159,454.79 = 346,739.11 : x
  2. Step 2: Convert to fraction form
    773,280.49/1,159,454.79 = 346,739.11/x
  3. Step 3: Cross multiply
    773,280.49x = 1,159,454.79 × 346,739.11
  4. Step 4: Simplify right side
    773,280.49x = 402,028,324,610.20
  5. Step 5: Solve for x
    x = 402,028,324,610.20/773,280.49
  6. Step 6: Final answer
    x = 519,899.74

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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.