Home / 608,821.40-913,232.10-605,322.20

Finding the Fourth Proportional to 608,821.40, 913,232.10 and 605,322.20

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Solution

The fourth proportional to 608,821.40, 913,232.10 and 605,322.20 is: 907,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,821.40 : 913,232.10 = 605,322.20 : x
  2. Step 2: Convert to fraction form
    608,821.40/913,232.10 = 605,322.20/x
  3. Step 3: Cross multiply
    608,821.40x = 913,232.10 × 605,322.20
  4. Step 4: Simplify right side
    608,821.40x = 552,799,663,882.62
  5. Step 5: Solve for x
    x = 552,799,663,882.62/608,821.40
  6. Step 6: Final answer
    x = 907,983.30

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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.