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Finding the Fourth Proportional to 624,678.92, 937,018.50 and 225,319.65

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Solution

The fourth proportional to 624,678.92, 937,018.50 and 225,319.65 is: 337,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,678.92 : 937,018.50 = 225,319.65 : x
  2. Step 2: Convert to fraction form
    624,678.92/937,018.50 = 225,319.65/x
  3. Step 3: Cross multiply
    624,678.92x = 937,018.50 × 225,319.65
  4. Step 4: Simplify right side
    624,678.92x = 211,128,676,104.76
  5. Step 5: Solve for x
    x = 211,128,676,104.76/624,678.92
  6. Step 6: Final answer
    x = 337,979.51

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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.