Home / 729,027.40-1,093,541.10-355,779.40

Finding the Fourth Proportional to 729,027.40, 1,093,541.10 and 355,779.40

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Solution

The fourth proportional to 729,027.40, 1,093,541.10 and 355,779.40 is: 533,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,027.40 : 1,093,541.10 = 355,779.40 : x
  2. Step 2: Convert to fraction form
    729,027.40/1,093,541.10 = 355,779.40/x
  3. Step 3: Cross multiply
    729,027.40x = 1,093,541.10 × 355,779.40
  4. Step 4: Simplify right side
    729,027.40x = 389,059,396,433.34
  5. Step 5: Solve for x
    x = 389,059,396,433.34/729,027.40
  6. Step 6: Final answer
    x = 533,669.10

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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.