Home / 961,643.20-1,326,951.36-531,864.64

Finding the Fourth Proportional to 961,643.20, 1,326,951.36 and 531,864.64

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Solution

The fourth proportional to 961,643.20, 1,326,951.36 and 531,864.64 is: 733,908.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,643.20 : 1,326,951.36 = 531,864.64 : x
  2. Step 2: Convert to fraction form
    961,643.20/1,326,951.36 = 531,864.64/x
  3. Step 3: Cross multiply
    961,643.20x = 1,326,951.36 × 531,864.64
  4. Step 4: Simplify right side
    961,643.20x = 705,758,507,383.91
  5. Step 5: Solve for x
    x = 705,758,507,383.91/961,643.20
  6. Step 6: Final answer
    x = 733,908.90

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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.