Home / 463,527.81-639,389.03-272,384.01

Finding the Fourth Proportional to 463,527.81, 639,389.03 and 272,384.01

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Solution

The fourth proportional to 463,527.81, 639,389.03 and 272,384.01 is: 375,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,527.81 : 639,389.03 = 272,384.01 : x
  2. Step 2: Convert to fraction form
    463,527.81/639,389.03 = 272,384.01/x
  3. Step 3: Cross multiply
    463,527.81x = 639,389.03 × 272,384.01
  4. Step 4: Simplify right side
    463,527.81x = 174,159,346,579.49
  5. Step 5: Solve for x
    x = 174,159,346,579.49/463,527.81
  6. Step 6: Final answer
    x = 375,725.78

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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.