Home / 426,775.84-588,451.08-290,890.24

Finding the Fourth Proportional to 426,775.84, 588,451.08 and 290,890.24

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Solution

The fourth proportional to 426,775.84, 588,451.08 and 290,890.24 is: 401,088.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,775.84 : 588,451.08 = 290,890.24 : x
  2. Step 2: Convert to fraction form
    426,775.84/588,451.08 = 290,890.24/x
  3. Step 3: Cross multiply
    426,775.84x = 588,451.08 × 290,890.24
  4. Step 4: Simplify right side
    426,775.84x = 171,174,675,889.46
  5. Step 5: Solve for x
    x = 171,174,675,889.46/426,775.84
  6. Step 6: Final answer
    x = 401,088.02

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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.