Home / 905,223.20-1,358,030.64-344,268.32

Finding the Fourth Proportional to 905,223.20, 1,358,030.64 and 344,268.32

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Solution

The fourth proportional to 905,223.20, 1,358,030.64 and 344,268.32 is: 516,476.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,223.20 : 1,358,030.64 = 344,268.32 : x
  2. Step 2: Convert to fraction form
    905,223.20/1,358,030.64 = 344,268.32/x
  3. Step 3: Cross multiply
    905,223.20x = 1,358,030.64 × 344,268.32
  4. Step 4: Simplify right side
    905,223.20x = 467,526,926,941.33
  5. Step 5: Solve for x
    x = 467,526,926,941.33/905,223.20
  6. Step 6: Final answer
    x = 516,476.96

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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.