Home / 447,767.40-617,918.04-243,815.16

Finding the Fourth Proportional to 447,767.40, 617,918.04 and 243,815.16

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Solution

The fourth proportional to 447,767.40, 617,918.04 and 243,815.16 is: 336,464.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,767.40 : 617,918.04 = 243,815.16 : x
  2. Step 2: Convert to fraction form
    447,767.40/617,918.04 = 243,815.16/x
  3. Step 3: Cross multiply
    447,767.40x = 617,918.04 × 243,815.16
  4. Step 4: Simplify right side
    447,767.40x = 150,657,785,789.49
  5. Step 5: Solve for x
    x = 150,657,785,789.49/447,767.40
  6. Step 6: Final answer
    x = 336,464.39

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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.