Home / 627,738.24-940,346.64-290,305.92

Finding the Fourth Proportional to 627,738.24, 940,346.64 and 290,305.92

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Solution

The fourth proportional to 627,738.24, 940,346.64 and 290,305.92 is: 434,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,738.24 : 940,346.64 = 290,305.92 : x
  2. Step 2: Convert to fraction form
    627,738.24/940,346.64 = 290,305.92/x
  3. Step 3: Cross multiply
    627,738.24x = 940,346.64 × 290,305.92
  4. Step 4: Simplify right side
    627,738.24x = 272,988,196,444.11
  5. Step 5: Solve for x
    x = 272,988,196,444.11/627,738.24
  6. Step 6: Final answer
    x = 434,875.84

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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.