Home / 905,577.09-1,358,412.15-231,664.20

Finding the Fourth Proportional to 905,577.09, 1,358,412.15 and 231,664.20

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Solution

The fourth proportional to 905,577.09, 1,358,412.15 and 231,664.20 is: 347,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,577.09 : 1,358,412.15 = 231,664.20 : x
  2. Step 2: Convert to fraction form
    905,577.09/1,358,412.15 = 231,664.20/x
  3. Step 3: Cross multiply
    905,577.09x = 1,358,412.15 × 231,664.20
  4. Step 4: Simplify right side
    905,577.09x = 314,695,465,461.13
  5. Step 5: Solve for x
    x = 314,695,465,461.13/905,577.09
  6. Step 6: Final answer
    x = 347,508.20

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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.