Home / 728,730.20-1,093,095.30-528,109.40

Finding the Fourth Proportional to 728,730.20, 1,093,095.30 and 528,109.40

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Solution

The fourth proportional to 728,730.20, 1,093,095.30 and 528,109.40 is: 792,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,730.20 : 1,093,095.30 = 528,109.40 : x
  2. Step 2: Convert to fraction form
    728,730.20/1,093,095.30 = 528,109.40/x
  3. Step 3: Cross multiply
    728,730.20x = 1,093,095.30 × 528,109.40
  4. Step 4: Simplify right side
    728,730.20x = 577,273,903,025.82
  5. Step 5: Solve for x
    x = 577,273,903,025.82/728,730.20
  6. Step 6: Final answer
    x = 792,164.10

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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.