Home / 898,987.40-1,349,246.55-366,890.30

Finding the Fourth Proportional to 898,987.40, 1,349,246.55 and 366,890.30

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Solution

The fourth proportional to 898,987.40, 1,349,246.55 and 366,890.30 is: 550,647.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,987.40 : 1,349,246.55 = 366,890.30 : x
  2. Step 2: Convert to fraction form
    898,987.40/1,349,246.55 = 366,890.30/x
  3. Step 3: Cross multiply
    898,987.40x = 1,349,246.55 × 366,890.30
  4. Step 4: Simplify right side
    898,987.40x = 495,025,471,503.47
  5. Step 5: Solve for x
    x = 495,025,471,503.47/898,987.40
  6. Step 6: Final answer
    x = 550,647.84

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Double scale
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Similar ratio
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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.