Home / 810,007.92-1,117,872.20-465,949.20

Finding the Fourth Proportional to 810,007.92, 1,117,872.20 and 465,949.20

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Solution

The fourth proportional to 810,007.92, 1,117,872.20 and 465,949.20 is: 643,045.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,007.92 : 1,117,872.20 = 465,949.20 : x
  2. Step 2: Convert to fraction form
    810,007.92/1,117,872.20 = 465,949.20/x
  3. Step 3: Cross multiply
    810,007.92x = 1,117,872.20 × 465,949.20
  4. Step 4: Simplify right side
    810,007.92x = 520,871,657,292.24
  5. Step 5: Solve for x
    x = 520,871,657,292.24/810,007.92
  6. Step 6: Final answer
    x = 643,045.14

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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.