Home / 899,015.40-1,349,288.55-366,918.30

Finding the Fourth Proportional to 899,015.40, 1,349,288.55 and 366,918.30

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Solution

The fourth proportional to 899,015.40, 1,349,288.55 and 366,918.30 is: 550,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,015.40 : 1,349,288.55 = 366,918.30 : x
  2. Step 2: Convert to fraction form
    899,015.40/1,349,288.55 = 366,918.30/x
  3. Step 3: Cross multiply
    899,015.40x = 1,349,288.55 × 366,918.30
  4. Step 4: Simplify right side
    899,015.40x = 495,078,660,975.47
  5. Step 5: Solve for x
    x = 495,078,660,975.47/899,015.40
  6. Step 6: Final answer
    x = 550,689.86

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Double scale
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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.