Home / 823,916.80-1,234,838.40-730,604.80

Finding the Fourth Proportional to 823,916.80, 1,234,838.40 and 730,604.80

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Solution

The fourth proportional to 823,916.80, 1,234,838.40 and 730,604.80 is: 1,094,987.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,916.80 : 1,234,838.40 = 730,604.80 : x
  2. Step 2: Convert to fraction form
    823,916.80/1,234,838.40 = 730,604.80/x
  3. Step 3: Cross multiply
    823,916.80x = 1,234,838.40 × 730,604.80
  4. Step 4: Simplify right side
    823,916.80x = 902,178,862,264.32
  5. Step 5: Solve for x
    x = 902,178,862,264.32/823,916.80
  6. Step 6: Final answer
    x = 1,094,987.82

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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.