Home / 736,905.34-1,105,358.28-263,562.40

Finding the Fourth Proportional to 736,905.34, 1,105,358.28 and 263,562.40

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Solution

The fourth proportional to 736,905.34, 1,105,358.28 and 263,562.40 is: 395,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,905.34 : 1,105,358.28 = 263,562.40 : x
  2. Step 2: Convert to fraction form
    736,905.34/1,105,358.28 = 263,562.40/x
  3. Step 3: Cross multiply
    736,905.34x = 1,105,358.28 × 263,562.40
  4. Step 4: Simplify right side
    736,905.34x = 291,330,881,136.67
  5. Step 5: Solve for x
    x = 291,330,881,136.67/736,905.34
  6. Step 6: Final answer
    x = 395,343.70

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Double scale
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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.