Home / 782,230.66-1,079,478.75-424,534.66

Finding the Fourth Proportional to 782,230.66, 1,079,478.75 and 424,534.66

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Solution

The fourth proportional to 782,230.66, 1,079,478.75 and 424,534.66 is: 585,858.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,230.66 : 1,079,478.75 = 424,534.66 : x
  2. Step 2: Convert to fraction form
    782,230.66/1,079,478.75 = 424,534.66/x
  3. Step 3: Cross multiply
    782,230.66x = 1,079,478.75 × 424,534.66
  4. Step 4: Simplify right side
    782,230.66x = 458,276,144,108.48
  5. Step 5: Solve for x
    x = 458,276,144,108.48/782,230.66
  6. Step 6: Final answer
    x = 585,858.07

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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.