Home / 724,686.96-1,085,846.70-440,464.44

Finding the Fourth Proportional to 724,686.96, 1,085,846.70 and 440,464.44

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Solution

The fourth proportional to 724,686.96, 1,085,846.70 and 440,464.44 is: 659,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,686.96 : 1,085,846.70 = 440,464.44 : x
  2. Step 2: Convert to fraction form
    724,686.96/1,085,846.70 = 440,464.44/x
  3. Step 3: Cross multiply
    724,686.96x = 1,085,846.70 × 440,464.44
  4. Step 4: Simplify right side
    724,686.96x = 478,276,858,641.35
  5. Step 5: Solve for x
    x = 478,276,858,641.35/724,686.96
  6. Step 6: Final answer
    x = 659,977.18

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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.