Home / 761,891.61-1,143,027.69-537,689.94

Finding the Fourth Proportional to 761,891.61, 1,143,027.69 and 537,689.94

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Solution

The fourth proportional to 761,891.61, 1,143,027.69 and 537,689.94 is: 806,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,891.61 : 1,143,027.69 = 537,689.94 : x
  2. Step 2: Convert to fraction form
    761,891.61/1,143,027.69 = 537,689.94/x
  3. Step 3: Cross multiply
    761,891.61x = 1,143,027.69 × 537,689.94
  4. Step 4: Simplify right side
    761,891.61x = 614,594,490,054.44
  5. Step 5: Solve for x
    x = 614,594,490,054.44/761,891.61
  6. Step 6: Final answer
    x = 806,669.19

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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.