Home / 557,551.20-769,419.36-302,900.16

Finding the Fourth Proportional to 557,551.20, 769,419.36 and 302,900.16

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Solution

The fourth proportional to 557,551.20, 769,419.36 and 302,900.16 is: 418,001.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,551.20 : 769,419.36 = 302,900.16 : x
  2. Step 2: Convert to fraction form
    557,551.20/769,419.36 = 302,900.16/x
  3. Step 3: Cross multiply
    557,551.20x = 769,419.36 × 302,900.16
  4. Step 4: Simplify right side
    557,551.20x = 233,057,247,251.10
  5. Step 5: Solve for x
    x = 233,057,247,251.10/557,551.20
  6. Step 6: Final answer
    x = 418,001.52

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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.