Home / 907,658.64-1,362,213.72-409,061.52

Finding the Fourth Proportional to 907,658.64, 1,362,213.72 and 409,061.52

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Solution

The fourth proportional to 907,658.64, 1,362,213.72 and 409,061.52 is: 613,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,658.64 : 1,362,213.72 = 409,061.52 : x
  2. Step 2: Convert to fraction form
    907,658.64/1,362,213.72 = 409,061.52/x
  3. Step 3: Cross multiply
    907,658.64x = 1,362,213.72 × 409,061.52
  4. Step 4: Simplify right side
    907,658.64x = 557,229,214,868.05
  5. Step 5: Solve for x
    x = 557,229,214,868.05/907,658.64
  6. Step 6: Final answer
    x = 613,919.36

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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.