Home / 786,130.34-1,084,738.38-441,902.48

Finding the Fourth Proportional to 786,130.34, 1,084,738.38 and 441,902.48

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Solution

The fourth proportional to 786,130.34, 1,084,738.38 and 441,902.48 is: 609,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,130.34 : 1,084,738.38 = 441,902.48 : x
  2. Step 2: Convert to fraction form
    786,130.34/1,084,738.38 = 441,902.48/x
  3. Step 3: Cross multiply
    786,130.34x = 1,084,738.38 × 441,902.48
  4. Step 4: Simplify right side
    786,130.34x = 479,348,580,273.18
  5. Step 5: Solve for x
    x = 479,348,580,273.18/786,130.34
  6. Step 6: Final answer
    x = 609,757.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.