Home / 529,014.59-730,039.95-287,297.24

Finding the Fourth Proportional to 529,014.59, 730,039.95 and 287,297.24

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Solution

The fourth proportional to 529,014.59, 730,039.95 and 287,297.24 is: 396,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,014.59 : 730,039.95 = 287,297.24 : x
  2. Step 2: Convert to fraction form
    529,014.59/730,039.95 = 287,297.24/x
  3. Step 3: Cross multiply
    529,014.59x = 730,039.95 × 287,297.24
  4. Step 4: Simplify right side
    529,014.59x = 209,738,462,724.74
  5. Step 5: Solve for x
    x = 209,738,462,724.74/529,014.59
  6. Step 6: Final answer
    x = 396,470.09

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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.