Home / 862,883.83-1,190,820.23-480,913.35

Finding the Fourth Proportional to 862,883.83, 1,190,820.23 and 480,913.35

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Solution

The fourth proportional to 862,883.83, 1,190,820.23 and 480,913.35 is: 663,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,883.83 : 1,190,820.23 = 480,913.35 : x
  2. Step 2: Convert to fraction form
    862,883.83/1,190,820.23 = 480,913.35/x
  3. Step 3: Cross multiply
    862,883.83x = 1,190,820.23 × 480,913.35
  4. Step 4: Simplify right side
    862,883.83x = 572,681,342,793.78
  5. Step 5: Solve for x
    x = 572,681,342,793.78/862,883.83
  6. Step 6: Final answer
    x = 663,683.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.