Home / 778,875.12-1,168,834.56-273,437.60

Finding the Fourth Proportional to 778,875.12, 1,168,834.56 and 273,437.60

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Solution

The fourth proportional to 778,875.12, 1,168,834.56 and 273,437.60 is: 410,339.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,875.12 : 1,168,834.56 = 273,437.60 : x
  2. Step 2: Convert to fraction form
    778,875.12/1,168,834.56 = 273,437.60/x
  3. Step 3: Cross multiply
    778,875.12x = 1,168,834.56 × 273,437.60
  4. Step 4: Simplify right side
    778,875.12x = 319,603,316,999.50
  5. Step 5: Solve for x
    x = 319,603,316,999.50/778,875.12
  6. Step 6: Final answer
    x = 410,339.61

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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.