Home / 762,105.03-1,143,349.76-537,903.36

Finding the Fourth Proportional to 762,105.03, 1,143,349.76 and 537,903.36

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Solution

The fourth proportional to 762,105.03, 1,143,349.76 and 537,903.36 is: 806,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,105.03 : 1,143,349.76 = 537,903.36 : x
  2. Step 2: Convert to fraction form
    762,105.03/1,143,349.76 = 537,903.36/x
  3. Step 3: Cross multiply
    762,105.03x = 1,143,349.76 × 537,903.36
  4. Step 4: Simplify right side
    762,105.03x = 615,011,674,553.63
  5. Step 5: Solve for x
    x = 615,011,674,553.63/762,105.03
  6. Step 6: Final answer
    x = 806,990.70

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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.