Home / 890,742.29-1,227,575.86-632,630.52

Finding the Fourth Proportional to 890,742.29, 1,227,575.86 and 632,630.52

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Solution

The fourth proportional to 890,742.29, 1,227,575.86 and 632,630.52 is: 871,859.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,742.29 : 1,227,575.86 = 632,630.52 : x
  2. Step 2: Convert to fraction form
    890,742.29/1,227,575.86 = 632,630.52/x
  3. Step 3: Cross multiply
    890,742.29x = 1,227,575.86 × 632,630.52
  4. Step 4: Simplify right side
    890,742.29x = 776,601,953,069.67
  5. Step 5: Solve for x
    x = 776,601,953,069.67/890,742.29
  6. Step 6: Final answer
    x = 871,859.31

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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.