Home / 913,330.82-1,370,136.35-662,505.20

Finding the Fourth Proportional to 913,330.82, 1,370,136.35 and 662,505.20

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Solution

The fourth proportional to 913,330.82, 1,370,136.35 and 662,505.20 is: 993,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,330.82 : 1,370,136.35 = 662,505.20 : x
  2. Step 2: Convert to fraction form
    913,330.82/1,370,136.35 = 662,505.20/x
  3. Step 3: Cross multiply
    913,330.82x = 1,370,136.35 × 662,505.20
  4. Step 4: Simplify right side
    913,330.82x = 907,722,446,420.81
  5. Step 5: Solve for x
    x = 907,722,446,420.81/913,330.82
  6. Step 6: Final answer
    x = 993,859.43

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Double scale
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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.