Home / 807,815.48-1,114,770.72-440,295.80

Finding the Fourth Proportional to 807,815.48, 1,114,770.72 and 440,295.80

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Solution

The fourth proportional to 807,815.48, 1,114,770.72 and 440,295.80 is: 607,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,815.48 : 1,114,770.72 = 440,295.80 : x
  2. Step 2: Convert to fraction form
    807,815.48/1,114,770.72 = 440,295.80/x
  3. Step 3: Cross multiply
    807,815.48x = 1,114,770.72 × 440,295.80
  4. Step 4: Simplify right side
    807,815.48x = 490,828,865,978.98
  5. Step 5: Solve for x
    x = 490,828,865,978.98/807,815.48
  6. Step 6: Final answer
    x = 607,600.22

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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.