Home / 755,277.12-1,042,608.96-540,043.20

Finding the Fourth Proportional to 755,277.12, 1,042,608.96 and 540,043.20

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Solution

The fourth proportional to 755,277.12, 1,042,608.96 and 540,043.20 is: 745,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,277.12 : 1,042,608.96 = 540,043.20 : x
  2. Step 2: Convert to fraction form
    755,277.12/1,042,608.96 = 540,043.20/x
  3. Step 3: Cross multiply
    755,277.12x = 1,042,608.96 × 540,043.20
  4. Step 4: Simplify right side
    755,277.12x = 563,053,879,107.07
  5. Step 5: Solve for x
    x = 563,053,879,107.07/755,277.12
  6. Step 6: Final answer
    x = 745,493.10

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1.5x scale

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.