Home / 724,291.46-999,441.15-402,015.14

Finding the Fourth Proportional to 724,291.46, 999,441.15 and 402,015.14

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Solution

The fourth proportional to 724,291.46, 999,441.15 and 402,015.14 is: 554,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,291.46 : 999,441.15 = 402,015.14 : x
  2. Step 2: Convert to fraction form
    724,291.46/999,441.15 = 402,015.14/x
  3. Step 3: Cross multiply
    724,291.46x = 999,441.15 × 402,015.14
  4. Step 4: Simplify right side
    724,291.46x = 401,790,473,839.01
  5. Step 5: Solve for x
    x = 401,790,473,839.01/724,291.46
  6. Step 6: Final answer
    x = 554,735.90

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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.