Home / 761,889.87-1,143,025.07-537,688.19

Finding the Fourth Proportional to 761,889.87, 1,143,025.07 and 537,688.19

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Solution

The fourth proportional to 761,889.87, 1,143,025.07 and 537,688.19 is: 806,666.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,889.87 : 1,143,025.07 = 537,688.19 : x
  2. Step 2: Convert to fraction form
    761,889.87/1,143,025.07 = 537,688.19/x
  3. Step 3: Cross multiply
    761,889.87x = 1,143,025.07 × 537,688.19
  4. Step 4: Simplify right side
    761,889.87x = 614,591,072,609.36
  5. Step 5: Solve for x
    x = 614,591,072,609.36/761,889.87
  6. Step 6: Final answer
    x = 806,666.55

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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.