Home / 501,443.20-751,457.53-276,904.72

Finding the Fourth Proportional to 501,443.20, 751,457.53 and 276,904.72

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Solution

The fourth proportional to 501,443.20, 751,457.53 and 276,904.72 is: 414,966.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,443.20 : 751,457.53 = 276,904.72 : x
  2. Step 2: Convert to fraction form
    501,443.20/751,457.53 = 276,904.72/x
  3. Step 3: Cross multiply
    501,443.20x = 751,457.53 × 276,904.72
  4. Step 4: Simplify right side
    501,443.20x = 208,082,136,936.54
  5. Step 5: Solve for x
    x = 208,082,136,936.54/501,443.20
  6. Step 6: Final answer
    x = 414,966.51

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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.