Home / 809,733.12-1,117,346.88-470,135.04

Finding the Fourth Proportional to 809,733.12, 1,117,346.88 and 470,135.04

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Solution

The fourth proportional to 809,733.12, 1,117,346.88 and 470,135.04 is: 648,737.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,733.12 : 1,117,346.88 = 470,135.04 : x
  2. Step 2: Convert to fraction form
    809,733.12/1,117,346.88 = 470,135.04/x
  3. Step 3: Cross multiply
    809,733.12x = 1,117,346.88 × 470,135.04
  4. Step 4: Simplify right side
    809,733.12x = 525,303,920,122.68
  5. Step 5: Solve for x
    x = 525,303,920,122.68/809,733.12
  6. Step 6: Final answer
    x = 648,737.11

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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.