Home / 753,888.24-1,040,373.82-409,724.16

Finding the Fourth Proportional to 753,888.24, 1,040,373.82 and 409,724.16

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Solution

The fourth proportional to 753,888.24, 1,040,373.82 and 409,724.16 is: 565,423.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,888.24 : 1,040,373.82 = 409,724.16 : x
  2. Step 2: Convert to fraction form
    753,888.24/1,040,373.82 = 409,724.16/x
  3. Step 3: Cross multiply
    753,888.24x = 1,040,373.82 × 409,724.16
  4. Step 4: Simplify right side
    753,888.24x = 426,266,289,485.49
  5. Step 5: Solve for x
    x = 426,266,289,485.49/753,888.24
  6. Step 6: Final answer
    x = 565,423.72

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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.