Home / 778,223.24-1,073,948.82-420,527.24

Finding the Fourth Proportional to 778,223.24, 1,073,948.82 and 420,527.24

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Solution

The fourth proportional to 778,223.24, 1,073,948.82 and 420,527.24 is: 580,328.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,223.24 : 1,073,948.82 = 420,527.24 : x
  2. Step 2: Convert to fraction form
    778,223.24/1,073,948.82 = 420,527.24/x
  3. Step 3: Cross multiply
    778,223.24x = 1,073,948.82 × 420,527.24
  4. Step 4: Simplify right side
    778,223.24x = 451,624,733,175.86
  5. Step 5: Solve for x
    x = 451,624,733,175.86/778,223.24
  6. Step 6: Final answer
    x = 580,328.00

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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.