Home / 916,552.64-1,374,500.90-317,352.91

Finding the Fourth Proportional to 916,552.64, 1,374,500.90 and 317,352.91

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Solution

The fourth proportional to 916,552.64, 1,374,500.90 and 317,352.91 is: 475,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,552.64 : 1,374,500.90 = 317,352.91 : x
  2. Step 2: Convert to fraction form
    916,552.64/1,374,500.90 = 317,352.91/x
  3. Step 3: Cross multiply
    916,552.64x = 1,374,500.90 × 317,352.91
  4. Step 4: Simplify right side
    916,552.64x = 436,201,857,769.75
  5. Step 5: Solve for x
    x = 436,201,857,769.75/916,552.64
  6. Step 6: Final answer
    x = 475,915.78

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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.