Home / 972,653.78-1,342,257.05-564,855.85

Finding the Fourth Proportional to 972,653.78, 1,342,257.05 and 564,855.85

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Solution

The fourth proportional to 972,653.78, 1,342,257.05 and 564,855.85 is: 779,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,653.78 : 1,342,257.05 = 564,855.85 : x
  2. Step 2: Convert to fraction form
    972,653.78/1,342,257.05 = 564,855.85/x
  3. Step 3: Cross multiply
    972,653.78x = 1,342,257.05 × 564,855.85
  4. Step 4: Simplify right side
    972,653.78x = 758,181,752,172.64
  5. Step 5: Solve for x
    x = 758,181,752,172.64/972,653.78
  6. Step 6: Final answer
    x = 779,498.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.