Home / 758,816.80-1,138,225.20-715,271.20

Finding the Fourth Proportional to 758,816.80, 1,138,225.20 and 715,271.20

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Solution

The fourth proportional to 758,816.80, 1,138,225.20 and 715,271.20 is: 1,072,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,816.80 : 1,138,225.20 = 715,271.20 : x
  2. Step 2: Convert to fraction form
    758,816.80/1,138,225.20 = 715,271.20/x
  3. Step 3: Cross multiply
    758,816.80x = 1,138,225.20 × 715,271.20
  4. Step 4: Simplify right side
    758,816.80x = 814,139,704,674.24
  5. Step 5: Solve for x
    x = 814,139,704,674.24/758,816.80
  6. Step 6: Final answer
    x = 1,072,906.80

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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.