Home / 828,031.82-1,142,484.40-483,672.26

Finding the Fourth Proportional to 828,031.82, 1,142,484.40 and 483,672.26

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Solution

The fourth proportional to 828,031.82, 1,142,484.40 and 483,672.26 is: 667,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,031.82 : 1,142,484.40 = 483,672.26 : x
  2. Step 2: Convert to fraction form
    828,031.82/1,142,484.40 = 483,672.26/x
  3. Step 3: Cross multiply
    828,031.82x = 1,142,484.40 × 483,672.26
  4. Step 4: Simplify right side
    828,031.82x = 552,588,012,502.89
  5. Step 5: Solve for x
    x = 552,588,012,502.89/828,031.82
  6. Step 6: Final answer
    x = 667,351.18

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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.