Home / 798,312.40-1,197,929.40-299,726.80

Finding the Fourth Proportional to 798,312.40, 1,197,929.40 and 299,726.80

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Solution

The fourth proportional to 798,312.40, 1,197,929.40 and 299,726.80 is: 449,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,312.40 : 1,197,929.40 = 299,726.80 : x
  2. Step 2: Convert to fraction form
    798,312.40/1,197,929.40 = 299,726.80/x
  3. Step 3: Cross multiply
    798,312.40x = 1,197,929.40 × 299,726.80
  4. Step 4: Simplify right side
    798,312.40x = 359,051,545,687.92
  5. Step 5: Solve for x
    x = 359,051,545,687.92/798,312.40
  6. Step 6: Final answer
    x = 449,763.21

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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.