Home / 529,037.90-730,188.54-347,766.57

Finding the Fourth Proportional to 529,037.90, 730,188.54 and 347,766.57

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Solution

The fourth proportional to 529,037.90, 730,188.54 and 347,766.57 is: 479,994.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,037.90 : 730,188.54 = 347,766.57 : x
  2. Step 2: Convert to fraction form
    529,037.90/730,188.54 = 347,766.57/x
  3. Step 3: Cross multiply
    529,037.90x = 730,188.54 × 347,766.57
  4. Step 4: Simplify right side
    529,037.90x = 253,935,164,009.11
  5. Step 5: Solve for x
    x = 253,935,164,009.11/529,037.90
  6. Step 6: Final answer
    x = 479,994.28

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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.