Home / 735,483.56-1,012,621.05-627,620.72

Finding the Fourth Proportional to 735,483.56, 1,012,621.05 and 627,620.72

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Solution

The fourth proportional to 735,483.56, 1,012,621.05 and 627,620.72 is: 864,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,483.56 : 1,012,621.05 = 627,620.72 : x
  2. Step 2: Convert to fraction form
    735,483.56/1,012,621.05 = 627,620.72/x
  3. Step 3: Cross multiply
    735,483.56x = 1,012,621.05 × 627,620.72
  4. Step 4: Simplify right side
    735,483.56x = 635,541,947,425.05
  5. Step 5: Solve for x
    x = 635,541,947,425.05/735,483.56
  6. Step 6: Final answer
    x = 864,114.42

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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.