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Finding the Fourth Proportional to 557,335.91, 769,119.22 and 302,687.10

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Solution

The fourth proportional to 557,335.91, 769,119.22 and 302,687.10 is: 417,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,335.91 : 769,119.22 = 302,687.10 : x
  2. Step 2: Convert to fraction form
    557,335.91/769,119.22 = 302,687.10/x
  3. Step 3: Cross multiply
    557,335.91x = 769,119.22 × 302,687.10
  4. Step 4: Simplify right side
    557,335.91x = 232,802,466,256.06
  5. Step 5: Solve for x
    x = 232,802,466,256.06/557,335.91
  6. Step 6: Final answer
    x = 417,705.84

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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.