Home / 916,299.27-1,374,119.55-317,097.72

Finding the Fourth Proportional to 916,299.27, 1,374,119.55 and 317,097.72

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Solution

The fourth proportional to 916,299.27, 1,374,119.55 and 317,097.72 is: 475,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,299.27 : 1,374,119.55 = 317,097.72 : x
  2. Step 2: Convert to fraction form
    916,299.27/1,374,119.55 = 317,097.72/x
  3. Step 3: Cross multiply
    916,299.27x = 1,374,119.55 × 317,097.72
  4. Step 4: Simplify right side
    916,299.27x = 435,730,176,312.43
  5. Step 5: Solve for x
    x = 435,730,176,312.43/916,299.27
  6. Step 6: Final answer
    x = 475,532.60

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Double scale
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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.