Home / 486,351.01-671,161.76-282,452.05

Finding the Fourth Proportional to 486,351.01, 671,161.76 and 282,452.05

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Solution

The fourth proportional to 486,351.01, 671,161.76 and 282,452.05 is: 389,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,351.01 : 671,161.76 = 282,452.05 : x
  2. Step 2: Convert to fraction form
    486,351.01/671,161.76 = 282,452.05/x
  3. Step 3: Cross multiply
    486,351.01x = 671,161.76 × 282,452.05
  4. Step 4: Simplify right side
    486,351.01x = 189,571,013,581.35
  5. Step 5: Solve for x
    x = 189,571,013,581.35/486,351.01
  6. Step 6: Final answer
    x = 389,782.30

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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.