Home / 765,542.81-1,148,480.31-233,050.07

Finding the Fourth Proportional to 765,542.81, 1,148,480.31 and 233,050.07

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Solution

The fourth proportional to 765,542.81, 1,148,480.31 and 233,050.07 is: 349,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,542.81 : 1,148,480.31 = 233,050.07 : x
  2. Step 2: Convert to fraction form
    765,542.81/1,148,480.31 = 233,050.07/x
  3. Step 3: Cross multiply
    765,542.81x = 1,148,480.31 × 233,050.07
  4. Step 4: Simplify right side
    765,542.81x = 267,653,416,639.12
  5. Step 5: Solve for x
    x = 267,653,416,639.12/765,542.81
  6. Step 6: Final answer
    x = 349,625.67

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Double scale
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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.