Home / 669,933.36-1,004,335.18-290,568.51

Finding the Fourth Proportional to 669,933.36, 1,004,335.18 and 290,568.51

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Solution

The fourth proportional to 669,933.36, 1,004,335.18 and 290,568.51 is: 435,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,933.36 : 1,004,335.18 = 290,568.51 : x
  2. Step 2: Convert to fraction form
    669,933.36/1,004,335.18 = 290,568.51/x
  3. Step 3: Cross multiply
    669,933.36x = 1,004,335.18 × 290,568.51
  4. Step 4: Simplify right side
    669,933.36x = 291,828,176,066.76
  5. Step 5: Solve for x
    x = 291,828,176,066.76/669,933.36
  6. Step 6: Final answer
    x = 435,607.77

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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.