Home / 700,724.70-1,051,087.05-257,435.10

Finding the Fourth Proportional to 700,724.70, 1,051,087.05 and 257,435.10

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Solution

The fourth proportional to 700,724.70, 1,051,087.05 and 257,435.10 is: 386,152.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,724.70 : 1,051,087.05 = 257,435.10 : x
  2. Step 2: Convert to fraction form
    700,724.70/1,051,087.05 = 257,435.10/x
  3. Step 3: Cross multiply
    700,724.70x = 1,051,087.05 × 257,435.10
  4. Step 4: Simplify right side
    700,724.70x = 270,586,699,825.46
  5. Step 5: Solve for x
    x = 270,586,699,825.46/700,724.70
  6. Step 6: Final answer
    x = 386,152.65

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Similar ratio
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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.