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Finding the Fourth Proportional to 534,020.60, 801,325.74 and 218,698.40

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Solution

The fourth proportional to 534,020.60, 801,325.74 and 218,698.40 is: 328,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,020.60 : 801,325.74 = 218,698.40 : x
  2. Step 2: Convert to fraction form
    534,020.60/801,325.74 = 218,698.40/x
  3. Step 3: Cross multiply
    534,020.60x = 801,325.74 × 218,698.40
  4. Step 4: Simplify right side
    534,020.60x = 175,248,657,216.82
  5. Step 5: Solve for x
    x = 175,248,657,216.82/534,020.60
  6. Step 6: Final answer
    x = 328,168.35

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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.