Home / 778,295.60-1,167,443.40-304,823.60

Finding the Fourth Proportional to 778,295.60, 1,167,443.40 and 304,823.60

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Solution

The fourth proportional to 778,295.60, 1,167,443.40 and 304,823.60 is: 457,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,295.60 : 1,167,443.40 = 304,823.60 : x
  2. Step 2: Convert to fraction form
    778,295.60/1,167,443.40 = 304,823.60/x
  3. Step 3: Cross multiply
    778,295.60x = 1,167,443.40 × 304,823.60
  4. Step 4: Simplify right side
    778,295.60x = 355,864,299,984.24
  5. Step 5: Solve for x
    x = 355,864,299,984.24/778,295.60
  6. Step 6: Final answer
    x = 457,235.40

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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.