Home / 905,817.96-1,250,002.14-497,919.48

Finding the Fourth Proportional to 905,817.96, 1,250,002.14 and 497,919.48

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Solution

The fourth proportional to 905,817.96, 1,250,002.14 and 497,919.48 is: 687,114.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,817.96 : 1,250,002.14 = 497,919.48 : x
  2. Step 2: Convert to fraction form
    905,817.96/1,250,002.14 = 497,919.48/x
  3. Step 3: Cross multiply
    905,817.96x = 1,250,002.14 × 497,919.48
  4. Step 4: Simplify right side
    905,817.96x = 622,400,415,547.69
  5. Step 5: Solve for x
    x = 622,400,415,547.69/905,817.96
  6. Step 6: Final answer
    x = 687,114.24

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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.