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Finding the Fourth Proportional to 522,042.84, 720,420.48 and 295,688.34

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Solution

The fourth proportional to 522,042.84, 720,420.48 and 295,688.34 is: 408,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,042.84 : 720,420.48 = 295,688.34 : x
  2. Step 2: Convert to fraction form
    522,042.84/720,420.48 = 295,688.34/x
  3. Step 3: Cross multiply
    522,042.84x = 720,420.48 × 295,688.34
  4. Step 4: Simplify right side
    522,042.84x = 213,019,935,833.20
  5. Step 5: Solve for x
    x = 213,019,935,833.20/522,042.84
  6. Step 6: Final answer
    x = 408,050.68

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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.