Home / 771,775.43-1,157,663.68-322,251.35

Finding the Fourth Proportional to 771,775.43, 1,157,663.68 and 322,251.35

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Solution

The fourth proportional to 771,775.43, 1,157,663.68 and 322,251.35 is: 483,377.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,775.43 : 1,157,663.68 = 322,251.35 : x
  2. Step 2: Convert to fraction form
    771,775.43/1,157,663.68 = 322,251.35/x
  3. Step 3: Cross multiply
    771,775.43x = 1,157,663.68 × 322,251.35
  4. Step 4: Simplify right side
    771,775.43x = 373,058,677,132.02
  5. Step 5: Solve for x
    x = 373,058,677,132.02/771,775.43
  6. Step 6: Final answer
    x = 483,377.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.