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Finding the Fourth Proportional to 557,080.60, 768,767.10 and 302,425.24

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Solution

The fourth proportional to 557,080.60, 768,767.10 and 302,425.24 is: 417,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,080.60 : 768,767.10 = 302,425.24 : x
  2. Step 2: Convert to fraction form
    557,080.60/768,767.10 = 302,425.24/x
  3. Step 3: Cross multiply
    557,080.60x = 768,767.10 × 302,425.24
  4. Step 4: Simplify right side
    557,080.60x = 232,494,574,721.60
  5. Step 5: Solve for x
    x = 232,494,574,721.60/557,080.60
  6. Step 6: Final answer
    x = 417,344.59

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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.