Home / 755,358.78-1,132,483.32-355,774.44

Finding the Fourth Proportional to 755,358.78, 1,132,483.32 and 355,774.44

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Solution

The fourth proportional to 755,358.78, 1,132,483.32 and 355,774.44 is: 533,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,358.78 : 1,132,483.32 = 355,774.44 : x
  2. Step 2: Convert to fraction form
    755,358.78/1,132,483.32 = 355,774.44/x
  3. Step 3: Cross multiply
    755,358.78x = 1,132,483.32 × 355,774.44
  4. Step 4: Simplify right side
    755,358.78x = 402,908,618,982.34
  5. Step 5: Solve for x
    x = 402,908,618,982.34/755,358.78
  6. Step 6: Final answer
    x = 533,400.33

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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.