Home / 458,626.10-686,902.35-272,002.10

Finding the Fourth Proportional to 458,626.10, 686,902.35 and 272,002.10

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Solution

The fourth proportional to 458,626.10, 686,902.35 and 272,002.10 is: 407,388.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,626.10 : 686,902.35 = 272,002.10 : x
  2. Step 2: Convert to fraction form
    458,626.10/686,902.35 = 272,002.10/x
  3. Step 3: Cross multiply
    458,626.10x = 686,902.35 × 272,002.10
  4. Step 4: Simplify right side
    458,626.10x = 186,838,881,694.94
  5. Step 5: Solve for x
    x = 186,838,881,694.94/458,626.10
  6. Step 6: Final answer
    x = 407,388.24

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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.