Home / 687,026.88-1,030,042.10-461,828.76

Finding the Fourth Proportional to 687,026.88, 1,030,042.10 and 461,828.76

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Solution

The fourth proportional to 687,026.88, 1,030,042.10 and 461,828.76 is: 692,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,026.88 : 1,030,042.10 = 461,828.76 : x
  2. Step 2: Convert to fraction form
    687,026.88/1,030,042.10 = 461,828.76/x
  3. Step 3: Cross multiply
    687,026.88x = 1,030,042.10 × 461,828.76
  4. Step 4: Simplify right side
    687,026.88x = 475,703,065,790.80
  5. Step 5: Solve for x
    x = 475,703,065,790.80/687,026.88
  6. Step 6: Final answer
    x = 692,408.23

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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.