Home / 827,723.91-1,241,901.08-288,040.16

Finding the Fourth Proportional to 827,723.91, 1,241,901.08 and 288,040.16

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Solution

The fourth proportional to 827,723.91, 1,241,901.08 and 288,040.16 is: 432,169.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,723.91 : 1,241,901.08 = 288,040.16 : x
  2. Step 2: Convert to fraction form
    827,723.91/1,241,901.08 = 288,040.16/x
  3. Step 3: Cross multiply
    827,723.91x = 1,241,901.08 × 288,040.16
  4. Step 4: Simplify right side
    827,723.91x = 357,717,378,137.67
  5. Step 5: Solve for x
    x = 357,717,378,137.67/827,723.91
  6. Step 6: Final answer
    x = 432,169.92

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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.