Home / 918,650.05-1,267,808-551,140.96

Finding the Fourth Proportional to 918,650.05, 1,267,808 and 551,140.96

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Solution

The fourth proportional to 918,650.05, 1,267,808 and 551,140.96 is: 760,617.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,650.05 : 1,267,808 = 551,140.96 : x
  2. Step 2: Convert to fraction form
    918,650.05/1,267,808 = 551,140.96/x
  3. Step 3: Cross multiply
    918,650.05x = 1,267,808 × 551,140.96
  4. Step 4: Simplify right side
    918,650.05x = 698,740,918,215.68
  5. Step 5: Solve for x
    x = 698,740,918,215.68/918,650.05
  6. Step 6: Final answer
    x = 760,617.08

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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.