Home / 904,919.28-1,357,154.64-305,867.16

Finding the Fourth Proportional to 904,919.28, 1,357,154.64 and 305,867.16

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Solution

The fourth proportional to 904,919.28, 1,357,154.64 and 305,867.16 is: 458,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,919.28 : 1,357,154.64 = 305,867.16 : x
  2. Step 2: Convert to fraction form
    904,919.28/1,357,154.64 = 305,867.16/x
  3. Step 3: Cross multiply
    904,919.28x = 1,357,154.64 × 305,867.16
  4. Step 4: Simplify right side
    904,919.28x = 415,109,035,417.62
  5. Step 5: Solve for x
    x = 415,109,035,417.62/904,919.28
  6. Step 6: Final answer
    x = 458,724.93

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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.