Home / 805,700.23-1,208,548.15-300,249.70

Finding the Fourth Proportional to 805,700.23, 1,208,548.15 and 300,249.70

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Solution

The fourth proportional to 805,700.23, 1,208,548.15 and 300,249.70 is: 450,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,700.23 : 1,208,548.15 = 300,249.70 : x
  2. Step 2: Convert to fraction form
    805,700.23/1,208,548.15 = 300,249.70/x
  3. Step 3: Cross multiply
    805,700.23x = 1,208,548.15 × 300,249.70
  4. Step 4: Simplify right side
    805,700.23x = 362,866,219,473.06
  5. Step 5: Solve for x
    x = 362,866,219,473.06/805,700.23
  6. Step 6: Final answer
    x = 450,373.73

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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.