Home / 899,015.34-1,348,534.69-299,976.50

Finding the Fourth Proportional to 899,015.34, 1,348,534.69 and 299,976.50

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Solution

The fourth proportional to 899,015.34, 1,348,534.69 and 299,976.50 is: 449,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,015.34 : 1,348,534.69 = 299,976.50 : x
  2. Step 2: Convert to fraction form
    899,015.34/1,348,534.69 = 299,976.50/x
  3. Step 3: Cross multiply
    899,015.34x = 1,348,534.69 × 299,976.50
  4. Step 4: Simplify right side
    899,015.34x = 404,528,719,056.18
  5. Step 5: Solve for x
    x = 404,528,719,056.18/899,015.34
  6. Step 6: Final answer
    x = 449,968.65

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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.