Home / 960,070.48-1,438,527.80-328,639.84

Finding the Fourth Proportional to 960,070.48, 1,438,527.80 and 328,639.84

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Solution

The fourth proportional to 960,070.48, 1,438,527.80 and 328,639.84 is: 492,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,070.48 : 1,438,527.80 = 328,639.84 : x
  2. Step 2: Convert to fraction form
    960,070.48/1,438,527.80 = 328,639.84/x
  3. Step 3: Cross multiply
    960,070.48x = 1,438,527.80 × 328,639.84
  4. Step 4: Simplify right side
    960,070.48x = 472,757,546,027.55
  5. Step 5: Solve for x
    x = 472,757,546,027.55/960,070.48
  6. Step 6: Final answer
    x = 492,419.63

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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.