Home / 498,977.04-688,580.28-272,617.68

Finding the Fourth Proportional to 498,977.04, 688,580.28 and 272,617.68

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Solution

The fourth proportional to 498,977.04, 688,580.28 and 272,617.68 is: 376,208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,977.04 : 688,580.28 = 272,617.68 : x
  2. Step 2: Convert to fraction form
    498,977.04/688,580.28 = 272,617.68/x
  3. Step 3: Cross multiply
    498,977.04x = 688,580.28 × 272,617.68
  4. Step 4: Simplify right side
    498,977.04x = 187,719,158,427.35
  5. Step 5: Solve for x
    x = 187,719,158,427.35/498,977.04
  6. Step 6: Final answer
    x = 376,208.01

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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.