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Finding the Fourth Proportional to 557,247.74, 768,995.10 and 302,600.75

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Solution

The fourth proportional to 557,247.74, 768,995.10 and 302,600.75 is: 417,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,247.74 : 768,995.10 = 302,600.75 : x
  2. Step 2: Convert to fraction form
    557,247.74/768,995.10 = 302,600.75/x
  3. Step 3: Cross multiply
    557,247.74x = 768,995.10 × 302,600.75
  4. Step 4: Simplify right side
    557,247.74x = 232,698,490,161.35
  5. Step 5: Solve for x
    x = 232,698,490,161.35/557,247.74
  6. Step 6: Final answer
    x = 417,585.35

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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.