Home / 909,468.52-1,364,327.28-310,268.80

Finding the Fourth Proportional to 909,468.52, 1,364,327.28 and 310,268.80

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Solution

The fourth proportional to 909,468.52, 1,364,327.28 and 310,268.80 is: 465,445.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,468.52 : 1,364,327.28 = 310,268.80 : x
  2. Step 2: Convert to fraction form
    909,468.52/1,364,327.28 = 310,268.80/x
  3. Step 3: Cross multiply
    909,468.52x = 1,364,327.28 × 310,268.80
  4. Step 4: Simplify right side
    909,468.52x = 423,308,187,972.86
  5. Step 5: Solve for x
    x = 423,308,187,972.86/909,468.52
  6. Step 6: Final answer
    x = 465,445.67

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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.