Home / 459,621.60-689,950.80-354,904.80

Finding the Fourth Proportional to 459,621.60, 689,950.80 and 354,904.80

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Solution

The fourth proportional to 459,621.60, 689,950.80 and 354,904.80 is: 532,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,621.60 : 689,950.80 = 354,904.80 : x
  2. Step 2: Convert to fraction form
    459,621.60/689,950.80 = 354,904.80/x
  3. Step 3: Cross multiply
    459,621.60x = 689,950.80 × 354,904.80
  4. Step 4: Simplify right side
    459,621.60x = 244,866,850,683.84
  5. Step 5: Solve for x
    x = 244,866,850,683.84/459,621.60
  6. Step 6: Final answer
    x = 532,757.49

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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.