Home / 728,698.60-1,093,047.90-576,483.40

Finding the Fourth Proportional to 728,698.60, 1,093,047.90 and 576,483.40

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Solution

The fourth proportional to 728,698.60, 1,093,047.90 and 576,483.40 is: 864,725.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,698.60 : 1,093,047.90 = 576,483.40 : x
  2. Step 2: Convert to fraction form
    728,698.60/1,093,047.90 = 576,483.40/x
  3. Step 3: Cross multiply
    728,698.60x = 1,093,047.90 × 576,483.40
  4. Step 4: Simplify right side
    728,698.60x = 630,123,969,754.86
  5. Step 5: Solve for x
    x = 630,123,969,754.86/728,698.60
  6. Step 6: Final answer
    x = 864,725.10

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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.