Home / 459,154.32-687,586.03-290,164.83

Finding the Fourth Proportional to 459,154.32, 687,586.03 and 290,164.83

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Solution

The fourth proportional to 459,154.32, 687,586.03 and 290,164.83 is: 434,523.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,154.32 : 687,586.03 = 290,164.83 : x
  2. Step 2: Convert to fraction form
    459,154.32/687,586.03 = 290,164.83/x
  3. Step 3: Cross multiply
    459,154.32x = 687,586.03 × 290,164.83
  4. Step 4: Simplify right side
    459,154.32x = 199,513,279,341.98
  5. Step 5: Solve for x
    x = 199,513,279,341.98/459,154.32
  6. Step 6: Final answer
    x = 434,523.37

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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.