Home / 782,889.76-1,174,786.68-423,061.84

Finding the Fourth Proportional to 782,889.76, 1,174,786.68 and 423,061.84

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Solution

The fourth proportional to 782,889.76, 1,174,786.68 and 423,061.84 is: 634,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,889.76 : 1,174,786.68 = 423,061.84 : x
  2. Step 2: Convert to fraction form
    782,889.76/1,174,786.68 = 423,061.84/x
  3. Step 3: Cross multiply
    782,889.76x = 1,174,786.68 × 423,061.84
  4. Step 4: Simplify right side
    782,889.76x = 497,007,414,448.29
  5. Step 5: Solve for x
    x = 497,007,414,448.29/782,889.76
  6. Step 6: Final answer
    x = 634,837.04

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1.5x scale

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.