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Finding the Fourth Proportional to 448,348.32, 618,715.65 and 244,394.77

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Solution

The fourth proportional to 448,348.32, 618,715.65 and 244,394.77 is: 337,262.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,348.32 : 618,715.65 = 244,394.77 : x
  2. Step 2: Convert to fraction form
    448,348.32/618,715.65 = 244,394.77/x
  3. Step 3: Cross multiply
    448,348.32x = 618,715.65 × 244,394.77
  4. Step 4: Simplify right side
    448,348.32x = 151,210,869,301.97
  5. Step 5: Solve for x
    x = 151,210,869,301.97/448,348.32
  6. Step 6: Final answer
    x = 337,262.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.