Home / 824,376.40-1,236,648.12-284,562.32

Finding the Fourth Proportional to 824,376.40, 1,236,648.12 and 284,562.32

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Solution

The fourth proportional to 824,376.40, 1,236,648.12 and 284,562.32 is: 426,872.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,376.40 : 1,236,648.12 = 284,562.32 : x
  2. Step 2: Convert to fraction form
    824,376.40/1,236,648.12 = 284,562.32/x
  3. Step 3: Cross multiply
    824,376.40x = 1,236,648.12 × 284,562.32
  4. Step 4: Simplify right side
    824,376.40x = 351,903,458,050.84
  5. Step 5: Solve for x
    x = 351,903,458,050.84/824,376.40
  6. Step 6: Final answer
    x = 426,872.31

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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.