Home / 728,749.60-1,093,124.40-576,534.40

Finding the Fourth Proportional to 728,749.60, 1,093,124.40 and 576,534.40

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Solution

The fourth proportional to 728,749.60, 1,093,124.40 and 576,534.40 is: 864,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,749.60 : 1,093,124.40 = 576,534.40 : x
  2. Step 2: Convert to fraction form
    728,749.60/1,093,124.40 = 576,534.40/x
  3. Step 3: Cross multiply
    728,749.60x = 1,093,124.40 × 576,534.40
  4. Step 4: Simplify right side
    728,749.60x = 630,223,820,079.36
  5. Step 5: Solve for x
    x = 630,223,820,079.36/728,749.60
  6. Step 6: Final answer
    x = 864,801.60

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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.