Home / 755,136.30-1,132,667.54-281,784.76

Finding the Fourth Proportional to 755,136.30, 1,132,667.54 and 281,784.76

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Solution

The fourth proportional to 755,136.30, 1,132,667.54 and 281,784.76 is: 422,663.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,136.30 : 1,132,667.54 = 281,784.76 : x
  2. Step 2: Convert to fraction form
    755,136.30/1,132,667.54 = 281,784.76/x
  3. Step 3: Cross multiply
    755,136.30x = 1,132,667.54 × 281,784.76
  4. Step 4: Simplify right side
    755,136.30x = 319,168,450,918.69
  5. Step 5: Solve for x
    x = 319,168,450,918.69/755,136.30
  6. Step 6: Final answer
    x = 422,663.37

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1.5x scale

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.