Home / 875,513.80-1,313,270.70-760,040.20

Finding the Fourth Proportional to 875,513.80, 1,313,270.70 and 760,040.20

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Solution

The fourth proportional to 875,513.80, 1,313,270.70 and 760,040.20 is: 1,140,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,513.80 : 1,313,270.70 = 760,040.20 : x
  2. Step 2: Convert to fraction form
    875,513.80/1,313,270.70 = 760,040.20/x
  3. Step 3: Cross multiply
    875,513.80x = 1,313,270.70 × 760,040.20
  4. Step 4: Simplify right side
    875,513.80x = 998,138,525,482.14
  5. Step 5: Solve for x
    x = 998,138,525,482.14/875,513.80
  6. Step 6: Final answer
    x = 1,140,060.30

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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.