Home / 724,376.40-1,086,710.40-606,861.60

Finding the Fourth Proportional to 724,376.40, 1,086,710.40 and 606,861.60

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Solution

The fourth proportional to 724,376.40, 1,086,710.40 and 606,861.60 is: 910,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,376.40 : 1,086,710.40 = 606,861.60 : x
  2. Step 2: Convert to fraction form
    724,376.40/1,086,710.40 = 606,861.60/x
  3. Step 3: Cross multiply
    724,376.40x = 1,086,710.40 × 606,861.60
  4. Step 4: Simplify right side
    724,376.40x = 659,482,812,080.64
  5. Step 5: Solve for x
    x = 659,482,812,080.64/724,376.40
  6. Step 6: Final answer
    x = 910,414.55

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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.