Home / 761,992.28-1,143,178.48-537,790.64

Finding the Fourth Proportional to 761,992.28, 1,143,178.48 and 537,790.64

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Solution

The fourth proportional to 761,992.28, 1,143,178.48 and 537,790.64 is: 806,820.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,992.28 : 1,143,178.48 = 537,790.64 : x
  2. Step 2: Convert to fraction form
    761,992.28/1,143,178.48 = 537,790.64/x
  3. Step 3: Cross multiply
    761,992.28x = 1,143,178.48 × 537,790.64
  4. Step 4: Simplify right side
    761,992.28x = 614,790,686,393.43
  5. Step 5: Solve for x
    x = 614,790,686,393.43/761,992.28
  6. Step 6: Final answer
    x = 806,820.10

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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.