Home / 826,304.57-1,140,322.92-463,750.90

Finding the Fourth Proportional to 826,304.57, 1,140,322.92 and 463,750.90

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Solution

The fourth proportional to 826,304.57, 1,140,322.92 and 463,750.90 is: 639,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,304.57 : 1,140,322.92 = 463,750.90 : x
  2. Step 2: Convert to fraction form
    826,304.57/1,140,322.92 = 463,750.90/x
  3. Step 3: Cross multiply
    826,304.57x = 1,140,322.92 × 463,750.90
  4. Step 4: Simplify right side
    826,304.57x = 528,825,775,850.76
  5. Step 5: Solve for x
    x = 528,825,775,850.76/826,304.57
  6. Step 6: Final answer
    x = 639,988.93

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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.