Home / 698,044.31-1,046,941.72-185,712.22

Finding the Fourth Proportional to 698,044.31, 1,046,941.72 and 185,712.22

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Solution

The fourth proportional to 698,044.31, 1,046,941.72 and 185,712.22 is: 278,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,044.31 : 1,046,941.72 = 185,712.22 : x
  2. Step 2: Convert to fraction form
    698,044.31/1,046,941.72 = 185,712.22/x
  3. Step 3: Cross multiply
    698,044.31x = 1,046,941.72 × 185,712.22
  4. Step 4: Simplify right side
    698,044.31x = 194,429,871,031.82
  5. Step 5: Solve for x
    x = 194,429,871,031.82/698,044.31
  6. Step 6: Final answer
    x = 278,535.14

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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.