Home / 926,297.70-1,389,446.55-453,905.70

Finding the Fourth Proportional to 926,297.70, 1,389,446.55 and 453,905.70

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Solution

The fourth proportional to 926,297.70, 1,389,446.55 and 453,905.70 is: 680,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,297.70 : 1,389,446.55 = 453,905.70 : x
  2. Step 2: Convert to fraction form
    926,297.70/1,389,446.55 = 453,905.70/x
  3. Step 3: Cross multiply
    926,297.70x = 1,389,446.55 × 453,905.70
  4. Step 4: Simplify right side
    926,297.70x = 630,677,708,890.34
  5. Step 5: Solve for x
    x = 630,677,708,890.34/926,297.70
  6. Step 6: Final answer
    x = 680,858.55

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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.