Home / 731,603.96-1,009,771.38-445,216.32

Finding the Fourth Proportional to 731,603.96, 1,009,771.38 and 445,216.32

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Solution

The fourth proportional to 731,603.96, 1,009,771.38 and 445,216.32 is: 614,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,603.96 : 1,009,771.38 = 445,216.32 : x
  2. Step 2: Convert to fraction form
    731,603.96/1,009,771.38 = 445,216.32/x
  3. Step 3: Cross multiply
    731,603.96x = 1,009,771.38 × 445,216.32
  4. Step 4: Simplify right side
    731,603.96x = 449,566,697,844.92
  5. Step 5: Solve for x
    x = 449,566,697,844.92/731,603.96
  6. Step 6: Final answer
    x = 614,494.62

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Double scale
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1.5x scale

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.