Home / 742,650.24-1,114,018.56-210,126.72

Finding the Fourth Proportional to 742,650.24, 1,114,018.56 and 210,126.72

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Solution

The fourth proportional to 742,650.24, 1,114,018.56 and 210,126.72 is: 315,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,650.24 : 1,114,018.56 = 210,126.72 : x
  2. Step 2: Convert to fraction form
    742,650.24/1,114,018.56 = 210,126.72/x
  3. Step 3: Cross multiply
    742,650.24x = 1,114,018.56 × 210,126.72
  4. Step 4: Simplify right side
    742,650.24x = 234,085,066,031.92
  5. Step 5: Solve for x
    x = 234,085,066,031.92/742,650.24
  6. Step 6: Final answer
    x = 315,202.30

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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.