Home / 816,819.15-1,225,305.56-240,442.81

Finding the Fourth Proportional to 816,819.15, 1,225,305.56 and 240,442.81

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Solution

The fourth proportional to 816,819.15, 1,225,305.56 and 240,442.81 is: 360,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,819.15 : 1,225,305.56 = 240,442.81 : x
  2. Step 2: Convert to fraction form
    816,819.15/1,225,305.56 = 240,442.81/x
  3. Step 3: Cross multiply
    816,819.15x = 1,225,305.56 × 240,442.81
  4. Step 4: Simplify right side
    816,819.15x = 294,615,911,955.02
  5. Step 5: Solve for x
    x = 294,615,911,955.02/816,819.15
  6. Step 6: Final answer
    x = 360,686.83

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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.