Home / 800,155.40-1,104,318.90-460,637.96

Finding the Fourth Proportional to 800,155.40, 1,104,318.90 and 460,637.96

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Solution

The fourth proportional to 800,155.40, 1,104,318.90 and 460,637.96 is: 635,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,155.40 : 1,104,318.90 = 460,637.96 : x
  2. Step 2: Convert to fraction form
    800,155.40/1,104,318.90 = 460,637.96/x
  3. Step 3: Cross multiply
    800,155.40x = 1,104,318.90 × 460,637.96
  4. Step 4: Simplify right side
    800,155.40x = 508,691,205,285.44
  5. Step 5: Solve for x
    x = 508,691,205,285.44/800,155.40
  6. Step 6: Final answer
    x = 635,740.51

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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.