Home / 638,088.52-956,436.40-314,099.56

Finding the Fourth Proportional to 638,088.52, 956,436.40 and 314,099.56

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Solution

The fourth proportional to 638,088.52, 956,436.40 and 314,099.56 is: 470,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,088.52 : 956,436.40 = 314,099.56 : x
  2. Step 2: Convert to fraction form
    638,088.52/956,436.40 = 314,099.56/x
  3. Step 3: Cross multiply
    638,088.52x = 956,436.40 × 314,099.56
  4. Step 4: Simplify right side
    638,088.52x = 300,416,252,407.98
  5. Step 5: Solve for x
    x = 300,416,252,407.98/638,088.52
  6. Step 6: Final answer
    x = 470,806.55

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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.