Home / 905,157.50-1,357,911.09-344,148.38

Finding the Fourth Proportional to 905,157.50, 1,357,911.09 and 344,148.38

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Solution

The fourth proportional to 905,157.50, 1,357,911.09 and 344,148.38 is: 516,289.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,157.50 : 1,357,911.09 = 344,148.38 : x
  2. Step 2: Convert to fraction form
    905,157.50/1,357,911.09 = 344,148.38/x
  3. Step 3: Cross multiply
    905,157.50x = 1,357,911.09 × 344,148.38
  4. Step 4: Simplify right side
    905,157.50x = 467,322,901,807.53
  5. Step 5: Solve for x
    x = 467,322,901,807.53/905,157.50
  6. Step 6: Final answer
    x = 516,289.05

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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.