Home / 890,743.29-1,227,577.24-632,631.52

Finding the Fourth Proportional to 890,743.29, 1,227,577.24 and 632,631.52

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Solution

The fourth proportional to 890,743.29, 1,227,577.24 and 632,631.52 is: 871,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,743.29 : 1,227,577.24 = 632,631.52 : x
  2. Step 2: Convert to fraction form
    890,743.29/1,227,577.24 = 632,631.52/x
  3. Step 3: Cross multiply
    890,743.29x = 1,227,577.24 × 632,631.52
  4. Step 4: Simplify right side
    890,743.29x = 776,604,055,258.61
  5. Step 5: Solve for x
    x = 776,604,055,258.61/890,743.29
  6. Step 6: Final answer
    x = 871,860.69

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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.