Home / 557,084.27-768,785.22-302,435.25

Finding the Fourth Proportional to 557,084.27, 768,785.22 and 302,435.25

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Solution

The fourth proportional to 557,084.27, 768,785.22 and 302,435.25 is: 417,365.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,084.27 : 768,785.22 = 302,435.25 : x
  2. Step 2: Convert to fraction form
    557,084.27/768,785.22 = 302,435.25/x
  3. Step 3: Cross multiply
    557,084.27x = 768,785.22 × 302,435.25
  4. Step 4: Simplify right side
    557,084.27x = 232,507,750,207.01
  5. Step 5: Solve for x
    x = 232,507,750,207.01/557,084.27
  6. Step 6: Final answer
    x = 417,365.49

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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.