Home / 439,247.64-605,709.18-375,795.48

Finding the Fourth Proportional to 439,247.64, 605,709.18 and 375,795.48

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Solution

The fourth proportional to 439,247.64, 605,709.18 and 375,795.48 is: 518,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,247.64 : 605,709.18 = 375,795.48 : x
  2. Step 2: Convert to fraction form
    439,247.64/605,709.18 = 375,795.48/x
  3. Step 3: Cross multiply
    439,247.64x = 605,709.18 × 375,795.48
  4. Step 4: Simplify right side
    439,247.64x = 227,622,772,038.51
  5. Step 5: Solve for x
    x = 227,622,772,038.51/439,247.64
  6. Step 6: Final answer
    x = 518,210.57

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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.