Home / 608,819.40-913,229.10-605,320.20

Finding the Fourth Proportional to 608,819.40, 913,229.10 and 605,320.20

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Solution

The fourth proportional to 608,819.40, 913,229.10 and 605,320.20 is: 907,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,819.40 : 913,229.10 = 605,320.20 : x
  2. Step 2: Convert to fraction form
    608,819.40/913,229.10 = 605,320.20/x
  3. Step 3: Cross multiply
    608,819.40x = 913,229.10 × 605,320.20
  4. Step 4: Simplify right side
    608,819.40x = 552,796,021,457.82
  5. Step 5: Solve for x
    x = 552,796,021,457.82/608,819.40
  6. Step 6: Final answer
    x = 907,980.30

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1.5x scale

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.