Home / 909,983.72-1,364,975.42-310,950.02

Finding the Fourth Proportional to 909,983.72, 1,364,975.42 and 310,950.02

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Solution

The fourth proportional to 909,983.72, 1,364,975.42 and 310,950.02 is: 466,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,983.72 : 1,364,975.42 = 310,950.02 : x
  2. Step 2: Convert to fraction form
    909,983.72/1,364,975.42 = 310,950.02/x
  3. Step 3: Cross multiply
    909,983.72x = 1,364,975.42 × 310,950.02
  4. Step 4: Simplify right side
    909,983.72x = 424,439,125,768.88
  5. Step 5: Solve for x
    x = 424,439,125,768.88/909,983.72
  6. Step 6: Final answer
    x = 466,424.97

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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.