Home / 742,817.81-1,113,902.25-262,886.17

Finding the Fourth Proportional to 742,817.81, 1,113,902.25 and 262,886.17

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Solution

The fourth proportional to 742,817.81, 1,113,902.25 and 262,886.17 is: 394,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,817.81 : 1,113,902.25 = 262,886.17 : x
  2. Step 2: Convert to fraction form
    742,817.81/1,113,902.25 = 262,886.17/x
  3. Step 3: Cross multiply
    742,817.81x = 1,113,902.25 × 262,886.17
  4. Step 4: Simplify right side
    742,817.81x = 292,829,496,279.94
  5. Step 5: Solve for x
    x = 292,829,496,279.94/742,817.81
  6. Step 6: Final answer
    x = 394,214.43

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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.