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Finding the Fourth Proportional to 501,697.40, 752,661.03 and 217,435.70

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Solution

The fourth proportional to 501,697.40, 752,661.03 and 217,435.70 is: 326,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,697.40 : 752,661.03 = 217,435.70 : x
  2. Step 2: Convert to fraction form
    501,697.40/752,661.03 = 217,435.70/x
  3. Step 3: Cross multiply
    501,697.40x = 752,661.03 × 217,435.70
  4. Step 4: Simplify right side
    501,697.40x = 163,655,374,157.47
  5. Step 5: Solve for x
    x = 163,655,374,157.47/501,697.40
  6. Step 6: Final answer
    x = 326,203.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.