Home / 753,810.48-1,040,500.86-482,608.80

Finding the Fourth Proportional to 753,810.48, 1,040,500.86 and 482,608.80

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Solution

The fourth proportional to 753,810.48, 1,040,500.86 and 482,608.80 is: 666,155.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,810.48 : 1,040,500.86 = 482,608.80 : x
  2. Step 2: Convert to fraction form
    753,810.48/1,040,500.86 = 482,608.80/x
  3. Step 3: Cross multiply
    753,810.48x = 1,040,500.86 × 482,608.80
  4. Step 4: Simplify right side
    753,810.48x = 502,154,871,443.57
  5. Step 5: Solve for x
    x = 502,154,871,443.57/753,810.48
  6. Step 6: Final answer
    x = 666,155.33

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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.