Home / 720,460.98-1,080,878.18-383,223.96

Finding the Fourth Proportional to 720,460.98, 1,080,878.18 and 383,223.96

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Solution

The fourth proportional to 720,460.98, 1,080,878.18 and 383,223.96 is: 574,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,460.98 : 1,080,878.18 = 383,223.96 : x
  2. Step 2: Convert to fraction form
    720,460.98/1,080,878.18 = 383,223.96/x
  3. Step 3: Cross multiply
    720,460.98x = 1,080,878.18 × 383,223.96
  4. Step 4: Simplify right side
    720,460.98x = 414,218,414,501.07
  5. Step 5: Solve for x
    x = 414,218,414,501.07/720,460.98
  6. Step 6: Final answer
    x = 574,935.25

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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.