Home / 778,210.42-1,074,169.68-456,024.30

Finding the Fourth Proportional to 778,210.42, 1,074,169.68 and 456,024.30

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Solution

The fourth proportional to 778,210.42, 1,074,169.68 and 456,024.30 is: 629,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,210.42 : 1,074,169.68 = 456,024.30 : x
  2. Step 2: Convert to fraction form
    778,210.42/1,074,169.68 = 456,024.30/x
  3. Step 3: Cross multiply
    778,210.42x = 1,074,169.68 × 456,024.30
  4. Step 4: Simplify right side
    778,210.42x = 489,847,476,403.22
  5. Step 5: Solve for x
    x = 489,847,476,403.22/778,210.42
  6. Step 6: Final answer
    x = 629,453.76

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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.