Home / 772,351.20-1,159,304.40-373,312.80

Finding the Fourth Proportional to 772,351.20, 1,159,304.40 and 373,312.80

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Solution

The fourth proportional to 772,351.20, 1,159,304.40 and 373,312.80 is: 560,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,351.20 : 1,159,304.40 = 373,312.80 : x
  2. Step 2: Convert to fraction form
    772,351.20/1,159,304.40 = 373,312.80/x
  3. Step 3: Cross multiply
    772,351.20x = 1,159,304.40 × 373,312.80
  4. Step 4: Simplify right side
    772,351.20x = 432,783,171,616.32
  5. Step 5: Solve for x
    x = 432,783,171,616.32/772,351.20
  6. Step 6: Final answer
    x = 560,345.05

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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.