Home / 772,988.92-1,159,489.54-317,462.79

Finding the Fourth Proportional to 772,988.92, 1,159,489.54 and 317,462.79

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Solution

The fourth proportional to 772,988.92, 1,159,489.54 and 317,462.79 is: 476,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,988.92 : 1,159,489.54 = 317,462.79 : x
  2. Step 2: Convert to fraction form
    772,988.92/1,159,489.54 = 317,462.79/x
  3. Step 3: Cross multiply
    772,988.92x = 1,159,489.54 × 317,462.79
  4. Step 4: Simplify right side
    772,988.92x = 368,094,787,303.40
  5. Step 5: Solve for x
    x = 368,094,787,303.40/772,988.92
  6. Step 6: Final answer
    x = 476,196.72

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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.