Home / 869,344.38-1,303,688.96-363,940.28

Finding the Fourth Proportional to 869,344.38, 1,303,688.96 and 363,940.28

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Solution

The fourth proportional to 869,344.38, 1,303,688.96 and 363,940.28 is: 545,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,344.38 : 1,303,688.96 = 363,940.28 : x
  2. Step 2: Convert to fraction form
    869,344.38/1,303,688.96 = 363,940.28/x
  3. Step 3: Cross multiply
    869,344.38x = 1,303,688.96 × 363,940.28
  4. Step 4: Simplify right side
    869,344.38x = 474,464,925,135.31
  5. Step 5: Solve for x
    x = 474,464,925,135.31/869,344.38
  6. Step 6: Final answer
    x = 545,773.27

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1.5x scale

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.