Home / 868,589.35-1,303,058.16-299,991.30

Finding the Fourth Proportional to 868,589.35, 1,303,058.16 and 299,991.30

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Solution

The fourth proportional to 868,589.35, 1,303,058.16 and 299,991.30 is: 450,047.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,589.35 : 1,303,058.16 = 299,991.30 : x
  2. Step 2: Convert to fraction form
    868,589.35/1,303,058.16 = 299,991.30/x
  3. Step 3: Cross multiply
    868,589.35x = 1,303,058.16 × 299,991.30
  4. Step 4: Simplify right side
    868,589.35x = 390,906,111,394.01
  5. Step 5: Solve for x
    x = 390,906,111,394.01/868,589.35
  6. Step 6: Final answer
    x = 450,047.09

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1.5x scale

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.