Home / 766,873.89-1,058,288.04-461,125.35

Finding the Fourth Proportional to 766,873.89, 1,058,288.04 and 461,125.35

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Solution

The fourth proportional to 766,873.89, 1,058,288.04 and 461,125.35 is: 636,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,873.89 : 1,058,288.04 = 461,125.35 : x
  2. Step 2: Convert to fraction form
    766,873.89/1,058,288.04 = 461,125.35/x
  3. Step 3: Cross multiply
    766,873.89x = 1,058,288.04 × 461,125.35
  4. Step 4: Simplify right side
    766,873.89x = 488,003,442,845.81
  5. Step 5: Solve for x
    x = 488,003,442,845.81/766,873.89
  6. Step 6: Final answer
    x = 636,354.23

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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.