Home / 529,180.40-730,248-314,314.80

Finding the Fourth Proportional to 529,180.40, 730,248 and 314,314.80

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Solution

The fourth proportional to 529,180.40, 730,248 and 314,314.80 is: 433,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,180.40 : 730,248 = 314,314.80 : x
  2. Step 2: Convert to fraction form
    529,180.40/730,248 = 314,314.80/x
  3. Step 3: Cross multiply
    529,180.40x = 730,248 × 314,314.80
  4. Step 4: Simplify right side
    529,180.40x = 229,527,754,070.40
  5. Step 5: Solve for x
    x = 229,527,754,070.40/529,180.40
  6. Step 6: Final answer
    x = 433,741.98

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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.