Home / 724,922.40-1,087,383.60-538,298.40

Finding the Fourth Proportional to 724,922.40, 1,087,383.60 and 538,298.40

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Solution

The fourth proportional to 724,922.40, 1,087,383.60 and 538,298.40 is: 807,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,922.40 : 1,087,383.60 = 538,298.40 : x
  2. Step 2: Convert to fraction form
    724,922.40/1,087,383.60 = 538,298.40/x
  3. Step 3: Cross multiply
    724,922.40x = 1,087,383.60 × 538,298.40
  4. Step 4: Simplify right side
    724,922.40x = 585,336,852,066.24
  5. Step 5: Solve for x
    x = 585,336,852,066.24/724,922.40
  6. Step 6: Final answer
    x = 807,447.60

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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.