Home / 718,922.52-1,078,411.32-186,429.60

Finding the Fourth Proportional to 718,922.52, 1,078,411.32 and 186,429.60

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Solution

The fourth proportional to 718,922.52, 1,078,411.32 and 186,429.60 is: 279,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,922.52 : 1,078,411.32 = 186,429.60 : x
  2. Step 2: Convert to fraction form
    718,922.52/1,078,411.32 = 186,429.60/x
  3. Step 3: Cross multiply
    718,922.52x = 1,078,411.32 × 186,429.60
  4. Step 4: Simplify right side
    718,922.52x = 201,047,791,023.07
  5. Step 5: Solve for x
    x = 201,047,791,023.07/718,922.52
  6. Step 6: Final answer
    x = 279,651.54

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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.