Home / 886,400.70-1,330,585.20-549,821.40

Finding the Fourth Proportional to 886,400.70, 1,330,585.20 and 549,821.40

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Solution

The fourth proportional to 886,400.70, 1,330,585.20 and 549,821.40 is: 825,342.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,400.70 : 1,330,585.20 = 549,821.40 : x
  2. Step 2: Convert to fraction form
    886,400.70/1,330,585.20 = 549,821.40/x
  3. Step 3: Cross multiply
    886,400.70x = 1,330,585.20 × 549,821.40
  4. Step 4: Simplify right side
    886,400.70x = 731,584,217,483.28
  5. Step 5: Solve for x
    x = 731,584,217,483.28/886,400.70
  6. Step 6: Final answer
    x = 825,342.55

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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.