Home / 498,564.84-688,019.18-272,210.34

Finding the Fourth Proportional to 498,564.84, 688,019.18 and 272,210.34

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Solution

The fourth proportional to 498,564.84, 688,019.18 and 272,210.34 is: 375,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,564.84 : 688,019.18 = 272,210.34 : x
  2. Step 2: Convert to fraction form
    498,564.84/688,019.18 = 272,210.34/x
  3. Step 3: Cross multiply
    498,564.84x = 688,019.18 × 272,210.34
  4. Step 4: Simplify right side
    498,564.84x = 187,285,934,914.32
  5. Step 5: Solve for x
    x = 187,285,934,914.32/498,564.84
  6. Step 6: Final answer
    x = 375,650.11

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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.