Home / 762,491.72-1,052,127.06-440,150.60

Finding the Fourth Proportional to 762,491.72, 1,052,127.06 and 440,150.60

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Solution

The fourth proportional to 762,491.72, 1,052,127.06 and 440,150.60 is: 607,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,491.72 : 1,052,127.06 = 440,150.60 : x
  2. Step 2: Convert to fraction form
    762,491.72/1,052,127.06 = 440,150.60/x
  3. Step 3: Cross multiply
    762,491.72x = 1,052,127.06 × 440,150.60
  4. Step 4: Simplify right side
    762,491.72x = 463,094,356,735.24
  5. Step 5: Solve for x
    x = 463,094,356,735.24/762,491.72
  6. Step 6: Final answer
    x = 607,343.46

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.