Home / 847,166.05-1,169,109.46-459,997.79

Finding the Fourth Proportional to 847,166.05, 1,169,109.46 and 459,997.79

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Solution

The fourth proportional to 847,166.05, 1,169,109.46 and 459,997.79 is: 634,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,166.05 : 1,169,109.46 = 459,997.79 : x
  2. Step 2: Convert to fraction form
    847,166.05/1,169,109.46 = 459,997.79/x
  3. Step 3: Cross multiply
    847,166.05x = 1,169,109.46 × 459,997.79
  4. Step 4: Simplify right side
    847,166.05x = 537,787,767,179.41
  5. Step 5: Solve for x
    x = 537,787,767,179.41/847,166.05
  6. Step 6: Final answer
    x = 634,807.98

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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.