Home / 782,225.66-1,079,471.86-424,529.66

Finding the Fourth Proportional to 782,225.66, 1,079,471.86 and 424,529.66

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Solution

The fourth proportional to 782,225.66, 1,079,471.86 and 424,529.66 is: 585,851.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,225.66 : 1,079,471.86 = 424,529.66 : x
  2. Step 2: Convert to fraction form
    782,225.66/1,079,471.86 = 424,529.66/x
  3. Step 3: Cross multiply
    782,225.66x = 1,079,471.86 × 424,529.66
  4. Step 4: Simplify right side
    782,225.66x = 458,267,821,705.37
  5. Step 5: Solve for x
    x = 458,267,821,705.37/782,225.66
  6. Step 6: Final answer
    x = 585,851.17

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1.5x scale

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.