Home / 749,035.64-1,033,673.87-404,870.86

Finding the Fourth Proportional to 749,035.64, 1,033,673.87 and 404,870.86

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Solution

The fourth proportional to 749,035.64, 1,033,673.87 and 404,870.86 is: 558,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,035.64 : 1,033,673.87 = 404,870.86 : x
  2. Step 2: Convert to fraction form
    749,035.64/1,033,673.87 = 404,870.86/x
  3. Step 3: Cross multiply
    749,035.64x = 1,033,673.87 × 404,870.86
  4. Step 4: Simplify right side
    749,035.64x = 418,504,431,010.70
  5. Step 5: Solve for x
    x = 418,504,431,010.70/749,035.64
  6. Step 6: Final answer
    x = 558,724.32

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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.