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Finding the Fourth Proportional to 418,311.60, 626,430.60 and 335,367.60

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Solution

The fourth proportional to 418,311.60, 626,430.60 and 335,367.60 is: 502,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,311.60 : 626,430.60 = 335,367.60 : x
  2. Step 2: Convert to fraction form
    418,311.60/626,430.60 = 335,367.60/x
  3. Step 3: Cross multiply
    418,311.60x = 626,430.60 × 335,367.60
  4. Step 4: Simplify right side
    418,311.60x = 210,084,526,888.56
  5. Step 5: Solve for x
    x = 210,084,526,888.56/418,311.60
  6. Step 6: Final answer
    x = 502,220.18

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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.