Home / 905,587.08-1,358,427.14-231,674.20

Finding the Fourth Proportional to 905,587.08, 1,358,427.14 and 231,674.20

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Solution

The fourth proportional to 905,587.08, 1,358,427.14 and 231,674.20 is: 347,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,587.08 : 1,358,427.14 = 231,674.20 : x
  2. Step 2: Convert to fraction form
    905,587.08/1,358,427.14 = 231,674.20/x
  3. Step 3: Cross multiply
    905,587.08x = 1,358,427.14 × 231,674.20
  4. Step 4: Simplify right side
    905,587.08x = 314,712,512,967.28
  5. Step 5: Solve for x
    x = 314,712,512,967.28/905,587.08
  6. Step 6: Final answer
    x = 347,523.19

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Double scale
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Similar ratio
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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.