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Finding the Fourth Proportional to 480,242.72, 662,717.12 and 265,378.32

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Solution

The fourth proportional to 480,242.72, 662,717.12 and 265,378.32 is: 366,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,242.72 : 662,717.12 = 265,378.32 : x
  2. Step 2: Convert to fraction form
    480,242.72/662,717.12 = 265,378.32/x
  3. Step 3: Cross multiply
    480,242.72x = 662,717.12 × 265,378.32
  4. Step 4: Simplify right side
    480,242.72x = 175,870,755,940.84
  5. Step 5: Solve for x
    x = 175,870,755,940.84/480,242.72
  6. Step 6: Final answer
    x = 366,212.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.