Home / 529,480.14-730,688.24-287,762.73

Finding the Fourth Proportional to 529,480.14, 730,688.24 and 287,762.73

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Solution

The fourth proportional to 529,480.14, 730,688.24 and 287,762.73 is: 397,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,480.14 : 730,688.24 = 287,762.73 : x
  2. Step 2: Convert to fraction form
    529,480.14/730,688.24 = 287,762.73/x
  3. Step 3: Cross multiply
    529,480.14x = 730,688.24 × 287,762.73
  4. Step 4: Simplify right side
    529,480.14x = 210,264,843,440.70
  5. Step 5: Solve for x
    x = 210,264,843,440.70/529,480.14
  6. Step 6: Final answer
    x = 397,115.64

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1.5x scale

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.