Home / 905,087.10-1,357,630.65-274,032.30

Finding the Fourth Proportional to 905,087.10, 1,357,630.65 and 274,032.30

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Solution

The fourth proportional to 905,087.10, 1,357,630.65 and 274,032.30 is: 411,048.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,087.10 : 1,357,630.65 = 274,032.30 : x
  2. Step 2: Convert to fraction form
    905,087.10/1,357,630.65 = 274,032.30/x
  3. Step 3: Cross multiply
    905,087.10x = 1,357,630.65 × 274,032.30
  4. Step 4: Simplify right side
    905,087.10x = 372,034,649,570.00
  5. Step 5: Solve for x
    x = 372,034,649,570.00/905,087.10
  6. Step 6: Final answer
    x = 411,048.45

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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.