Home / 978,033.51-1,466,925.66-378,584.55

Finding the Fourth Proportional to 978,033.51, 1,466,925.66 and 378,584.55

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Solution

The fourth proportional to 978,033.51, 1,466,925.66 and 378,584.55 is: 567,828.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,033.51 : 1,466,925.66 = 378,584.55 : x
  2. Step 2: Convert to fraction form
    978,033.51/1,466,925.66 = 378,584.55/x
  3. Step 3: Cross multiply
    978,033.51x = 1,466,925.66 × 378,584.55
  4. Step 4: Simplify right side
    978,033.51x = 555,355,390,874.55
  5. Step 5: Solve for x
    x = 555,355,390,874.55/978,033.51
  6. Step 6: Final answer
    x = 567,828.59

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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.