Home / 778,439.60-1,167,659.40-565,863.20

Finding the Fourth Proportional to 778,439.60, 1,167,659.40 and 565,863.20

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Solution

The fourth proportional to 778,439.60, 1,167,659.40 and 565,863.20 is: 848,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,439.60 : 1,167,659.40 = 565,863.20 : x
  2. Step 2: Convert to fraction form
    778,439.60/1,167,659.40 = 565,863.20/x
  3. Step 3: Cross multiply
    778,439.60x = 1,167,659.40 × 565,863.20
  4. Step 4: Simplify right side
    778,439.60x = 660,735,484,594.08
  5. Step 5: Solve for x
    x = 660,735,484,594.08/778,439.60
  6. Step 6: Final answer
    x = 848,794.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.