Home / 529,514.40-730,614-314,725.92

Finding the Fourth Proportional to 529,514.40, 730,614 and 314,725.92

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Solution

The fourth proportional to 529,514.40, 730,614 and 314,725.92 is: 434,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,514.40 : 730,614 = 314,725.92 : x
  2. Step 2: Convert to fraction form
    529,514.40/730,614 = 314,725.92/x
  3. Step 3: Cross multiply
    529,514.40x = 730,614 × 314,725.92
  4. Step 4: Simplify right side
    529,514.40x = 229,943,163,314.88
  5. Step 5: Solve for x
    x = 229,943,163,314.88/529,514.40
  6. Step 6: Final answer
    x = 434,252.90

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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.