Home / 426,774.84-588,449.70-290,889.24

Finding the Fourth Proportional to 426,774.84, 588,449.70 and 290,889.24

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Solution

The fourth proportional to 426,774.84, 588,449.70 and 290,889.24 is: 401,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,774.84 : 588,449.70 = 290,889.24 : x
  2. Step 2: Convert to fraction form
    426,774.84/588,449.70 = 290,889.24/x
  3. Step 3: Cross multiply
    426,774.84x = 588,449.70 × 290,889.24
  4. Step 4: Simplify right side
    426,774.84x = 171,173,686,011.23
  5. Step 5: Solve for x
    x = 171,173,686,011.23/426,774.84
  6. Step 6: Final answer
    x = 401,086.64

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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.