Home / 486,977.82-671,979.51-334,147.02

Finding the Fourth Proportional to 486,977.82, 671,979.51 and 334,147.02

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Solution

The fourth proportional to 486,977.82, 671,979.51 and 334,147.02 is: 461,088.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,977.82 : 671,979.51 = 334,147.02 : x
  2. Step 2: Convert to fraction form
    486,977.82/671,979.51 = 334,147.02/x
  3. Step 3: Cross multiply
    486,977.82x = 671,979.51 × 334,147.02
  4. Step 4: Simplify right side
    486,977.82x = 224,539,950,767.56
  5. Step 5: Solve for x
    x = 224,539,950,767.56/486,977.82
  6. Step 6: Final answer
    x = 461,088.66

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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.