Home / 476,293.74-657,830.87-313,677.18

Finding the Fourth Proportional to 476,293.74, 657,830.87 and 313,677.18

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Solution

The fourth proportional to 476,293.74, 657,830.87 and 313,677.18 is: 433,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,293.74 : 657,830.87 = 313,677.18 : x
  2. Step 2: Convert to fraction form
    476,293.74/657,830.87 = 313,677.18/x
  3. Step 3: Cross multiply
    476,293.74x = 657,830.87 × 313,677.18
  4. Step 4: Simplify right side
    476,293.74x = 206,346,532,218.55
  5. Step 5: Solve for x
    x = 206,346,532,218.55/476,293.74
  6. Step 6: Final answer
    x = 433,233.77

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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.