Home / 826,736.40-1,239,521.40-377,672.40

Finding the Fourth Proportional to 826,736.40, 1,239,521.40 and 377,672.40

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Solution

The fourth proportional to 826,736.40, 1,239,521.40 and 377,672.40 is: 566,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,736.40 : 1,239,521.40 = 377,672.40 : x
  2. Step 2: Convert to fraction form
    826,736.40/1,239,521.40 = 377,672.40/x
  3. Step 3: Cross multiply
    826,736.40x = 1,239,521.40 × 377,672.40
  4. Step 4: Simplify right side
    826,736.40x = 468,133,021,989.36
  5. Step 5: Solve for x
    x = 468,133,021,989.36/826,736.40
  6. Step 6: Final answer
    x = 566,242.18

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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.