Home / 529,587.75-730,937.21-314,686.25

Finding the Fourth Proportional to 529,587.75, 730,937.21 and 314,686.25

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Solution

The fourth proportional to 529,587.75, 730,937.21 and 314,686.25 is: 434,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,587.75 : 730,937.21 = 314,686.25 : x
  2. Step 2: Convert to fraction form
    529,587.75/730,937.21 = 314,686.25/x
  3. Step 3: Cross multiply
    529,587.75x = 730,937.21 × 314,686.25
  4. Step 4: Simplify right side
    529,587.75x = 230,015,889,600.36
  5. Step 5: Solve for x
    x = 230,015,889,600.36/529,587.75
  6. Step 6: Final answer
    x = 434,330.08

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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.