Home / 875,975.80-1,313,963.70-760,502.20

Finding the Fourth Proportional to 875,975.80, 1,313,963.70 and 760,502.20

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Solution

The fourth proportional to 875,975.80, 1,313,963.70 and 760,502.20 is: 1,140,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,975.80 : 1,313,963.70 = 760,502.20 : x
  2. Step 2: Convert to fraction form
    875,975.80/1,313,963.70 = 760,502.20/x
  3. Step 3: Cross multiply
    875,975.80x = 1,313,963.70 × 760,502.20
  4. Step 4: Simplify right side
    875,975.80x = 999,272,284,570.14
  5. Step 5: Solve for x
    x = 999,272,284,570.14/875,975.80
  6. Step 6: Final answer
    x = 1,140,753.30

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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.