Home / 724,615.12-1,000,110.72-462,802.24

Finding the Fourth Proportional to 724,615.12, 1,000,110.72 and 462,802.24

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Solution

The fourth proportional to 724,615.12, 1,000,110.72 and 462,802.24 is: 638,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,615.12 : 1,000,110.72 = 462,802.24 : x
  2. Step 2: Convert to fraction form
    724,615.12/1,000,110.72 = 462,802.24/x
  3. Step 3: Cross multiply
    724,615.12x = 1,000,110.72 × 462,802.24
  4. Step 4: Simplify right side
    724,615.12x = 462,853,481,464.01
  5. Step 5: Solve for x
    x = 462,853,481,464.01/724,615.12
  6. Step 6: Final answer
    x = 638,757.69

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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.