Home / 891,881.80-1,335,749.10-609,872.20

Finding the Fourth Proportional to 891,881.80, 1,335,749.10 and 609,872.20

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Solution

The fourth proportional to 891,881.80, 1,335,749.10 and 609,872.20 is: 913,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,881.80 : 1,335,749.10 = 609,872.20 : x
  2. Step 2: Convert to fraction form
    891,881.80/1,335,749.10 = 609,872.20/x
  3. Step 3: Cross multiply
    891,881.80x = 1,335,749.10 × 609,872.20
  4. Step 4: Simplify right side
    891,881.80x = 814,636,242,265.02
  5. Step 5: Solve for x
    x = 814,636,242,265.02/891,881.80
  6. Step 6: Final answer
    x = 913,390.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.