Home / 818,572.90-1,228,026.03-345,260.02

Finding the Fourth Proportional to 818,572.90, 1,228,026.03 and 345,260.02

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Solution

The fourth proportional to 818,572.90, 1,228,026.03 and 345,260.02 is: 517,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,572.90 : 1,228,026.03 = 345,260.02 : x
  2. Step 2: Convert to fraction form
    818,572.90/1,228,026.03 = 345,260.02/x
  3. Step 3: Cross multiply
    818,572.90x = 1,228,026.03 × 345,260.02
  4. Step 4: Simplify right side
    818,572.90x = 423,988,291,678.32
  5. Step 5: Solve for x
    x = 423,988,291,678.32/818,572.90
  6. Step 6: Final answer
    x = 517,960.33

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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.