Home / 404,830.35-558,715.14-235,064.47

Finding the Fourth Proportional to 404,830.35, 558,715.14 and 235,064.47

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Solution

The fourth proportional to 404,830.35, 558,715.14 and 235,064.47 is: 324,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,830.35 : 558,715.14 = 235,064.47 : x
  2. Step 2: Convert to fraction form
    404,830.35/558,715.14 = 235,064.47/x
  3. Step 3: Cross multiply
    404,830.35x = 558,715.14 × 235,064.47
  4. Step 4: Simplify right side
    404,830.35x = 131,334,078,265.08
  5. Step 5: Solve for x
    x = 131,334,078,265.08/404,830.35
  6. Step 6: Final answer
    x = 324,417.57

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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.