Home / 741,309.95-1,023,025.47-419,021.35

Finding the Fourth Proportional to 741,309.95, 1,023,025.47 and 419,021.35

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Solution

The fourth proportional to 741,309.95, 1,023,025.47 and 419,021.35 is: 578,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,309.95 : 1,023,025.47 = 419,021.35 : x
  2. Step 2: Convert to fraction form
    741,309.95/1,023,025.47 = 419,021.35/x
  3. Step 3: Cross multiply
    741,309.95x = 1,023,025.47 × 419,021.35
  4. Step 4: Simplify right side
    741,309.95x = 428,669,513,523.79
  5. Step 5: Solve for x
    x = 428,669,513,523.79/741,309.95
  6. Step 6: Final answer
    x = 578,259.49

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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.