Home / 755,830.20-1,134,182.70-282,563.40

Finding the Fourth Proportional to 755,830.20, 1,134,182.70 and 282,563.40

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Solution

The fourth proportional to 755,830.20, 1,134,182.70 and 282,563.40 is: 424,008.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,830.20 : 1,134,182.70 = 282,563.40 : x
  2. Step 2: Convert to fraction form
    755,830.20/1,134,182.70 = 282,563.40/x
  3. Step 3: Cross multiply
    755,830.20x = 1,134,182.70 × 282,563.40
  4. Step 4: Simplify right side
    755,830.20x = 320,478,519,933.18
  5. Step 5: Solve for x
    x = 320,478,519,933.18/755,830.20
  6. Step 6: Final answer
    x = 424,008.62

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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.