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Finding the Fourth Proportional to 662,319.84, 993,168.72 and 307,112.16

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Solution

The fourth proportional to 662,319.84, 993,168.72 and 307,112.16 is: 460,524.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,319.84 : 993,168.72 = 307,112.16 : x
  2. Step 2: Convert to fraction form
    662,319.84/993,168.72 = 307,112.16/x
  3. Step 3: Cross multiply
    662,319.84x = 993,168.72 × 307,112.16
  4. Step 4: Simplify right side
    662,319.84x = 305,014,190,843.64
  5. Step 5: Solve for x
    x = 305,014,190,843.64/662,319.84
  6. Step 6: Final answer
    x = 460,524.01

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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.