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Finding the Fourth Proportional to 416,046.40, 624,069.60 and 346,062.40

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Solution

The fourth proportional to 416,046.40, 624,069.60 and 346,062.40 is: 519,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,046.40 : 624,069.60 = 346,062.40 : x
  2. Step 2: Convert to fraction form
    416,046.40/624,069.60 = 346,062.40/x
  3. Step 3: Cross multiply
    416,046.40x = 624,069.60 × 346,062.40
  4. Step 4: Simplify right side
    416,046.40x = 215,967,023,543.04
  5. Step 5: Solve for x
    x = 215,967,023,543.04/416,046.40
  6. Step 6: Final answer
    x = 519,093.60

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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.