Home / 832,474.63-1,148,823.29-450,509.61

Finding the Fourth Proportional to 832,474.63, 1,148,823.29 and 450,509.61

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Solution

The fourth proportional to 832,474.63, 1,148,823.29 and 450,509.61 is: 621,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,474.63 : 1,148,823.29 = 450,509.61 : x
  2. Step 2: Convert to fraction form
    832,474.63/1,148,823.29 = 450,509.61/x
  3. Step 3: Cross multiply
    832,474.63x = 1,148,823.29 × 450,509.61
  4. Step 4: Simplify right side
    832,474.63x = 517,555,930,084.27
  5. Step 5: Solve for x
    x = 517,555,930,084.27/832,474.63
  6. Step 6: Final answer
    x = 621,707.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.