Home / 824,210.61-1,236,775.23-445,123.32

Finding the Fourth Proportional to 824,210.61, 1,236,775.23 and 445,123.32

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Solution

The fourth proportional to 824,210.61, 1,236,775.23 and 445,123.32 is: 667,933.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,210.61 : 1,236,775.23 = 445,123.32 : x
  2. Step 2: Convert to fraction form
    824,210.61/1,236,775.23 = 445,123.32/x
  3. Step 3: Cross multiply
    824,210.61x = 1,236,775.23 × 445,123.32
  4. Step 4: Simplify right side
    824,210.61x = 550,517,496,471.36
  5. Step 5: Solve for x
    x = 550,517,496,471.36/824,210.61
  6. Step 6: Final answer
    x = 667,933.04

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Double scale
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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.