Home / 766,956.12-1,058,404.69-427,446.24

Finding the Fourth Proportional to 766,956.12, 1,058,404.69 and 427,446.24

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Solution

The fourth proportional to 766,956.12, 1,058,404.69 and 427,446.24 is: 589,878.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,956.12 : 1,058,404.69 = 427,446.24 : x
  2. Step 2: Convert to fraction form
    766,956.12/1,058,404.69 = 427,446.24/x
  3. Step 3: Cross multiply
    766,956.12x = 1,058,404.69 × 427,446.24
  4. Step 4: Simplify right side
    766,956.12x = 452,411,105,138.87
  5. Step 5: Solve for x
    x = 452,411,105,138.87/766,956.12
  6. Step 6: Final answer
    x = 589,878.73

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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.