Home / 778,641.04-1,074,550.44-451,929.60

Finding the Fourth Proportional to 778,641.04, 1,074,550.44 and 451,929.60

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Solution

The fourth proportional to 778,641.04, 1,074,550.44 and 451,929.60 is: 623,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,641.04 : 1,074,550.44 = 451,929.60 : x
  2. Step 2: Convert to fraction form
    778,641.04/1,074,550.44 = 451,929.60/x
  3. Step 3: Cross multiply
    778,641.04x = 1,074,550.44 × 451,929.60
  4. Step 4: Simplify right side
    778,641.04x = 485,621,150,529.02
  5. Step 5: Solve for x
    x = 485,621,150,529.02/778,641.04
  6. Step 6: Final answer
    x = 623,677.83

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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.