Home / 724,700.24-1,087,043.41-440,469.22

Finding the Fourth Proportional to 724,700.24, 1,087,043.41 and 440,469.22

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Solution

The fourth proportional to 724,700.24, 1,087,043.41 and 440,469.22 is: 660,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,700.24 : 1,087,043.41 = 440,469.22 : x
  2. Step 2: Convert to fraction form
    724,700.24/1,087,043.41 = 440,469.22/x
  3. Step 3: Cross multiply
    724,700.24x = 1,087,043.41 × 440,469.22
  4. Step 4: Simplify right side
    724,700.24x = 478,809,159,090.06
  5. Step 5: Solve for x
    x = 478,809,159,090.06/724,700.24
  6. Step 6: Final answer
    x = 660,699.60

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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.