Home / 762,510.63-1,143,774.17-230,036.28

Finding the Fourth Proportional to 762,510.63, 1,143,774.17 and 230,036.28

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Solution

The fourth proportional to 762,510.63, 1,143,774.17 and 230,036.28 is: 345,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,510.63 : 1,143,774.17 = 230,036.28 : x
  2. Step 2: Convert to fraction form
    762,510.63/1,143,774.17 = 230,036.28/x
  3. Step 3: Cross multiply
    762,510.63x = 1,143,774.17 × 230,036.28
  4. Step 4: Simplify right side
    762,510.63x = 263,109,554,076.71
  5. Step 5: Solve for x
    x = 263,109,554,076.71/762,510.63
  6. Step 6: Final answer
    x = 345,056.90

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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.