Home / 763,521.99-1,143,538.84-364,443.69

Finding the Fourth Proportional to 763,521.99, 1,143,538.84 and 364,443.69

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Solution

The fourth proportional to 763,521.99, 1,143,538.84 and 364,443.69 is: 545,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,521.99 : 1,143,538.84 = 364,443.69 : x
  2. Step 2: Convert to fraction form
    763,521.99/1,143,538.84 = 364,443.69/x
  3. Step 3: Cross multiply
    763,521.99x = 1,143,538.84 × 364,443.69
  4. Step 4: Simplify right side
    763,521.99x = 416,755,514,507.92
  5. Step 5: Solve for x
    x = 416,755,514,507.92/763,521.99
  6. Step 6: Final answer
    x = 545,833.02

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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.