Home / 498,281.04-687,628.71-271,926.54

Finding the Fourth Proportional to 498,281.04, 687,628.71 and 271,926.54

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Solution

The fourth proportional to 498,281.04, 687,628.71 and 271,926.54 is: 375,259.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,281.04 : 687,628.71 = 271,926.54 : x
  2. Step 2: Convert to fraction form
    498,281.04/687,628.71 = 271,926.54/x
  3. Step 3: Cross multiply
    498,281.04x = 687,628.71 × 271,926.54
  4. Step 4: Simplify right side
    498,281.04x = 186,984,495,914.96
  5. Step 5: Solve for x
    x = 186,984,495,914.96/498,281.04
  6. Step 6: Final answer
    x = 375,259.10

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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.