Home / 984,785.30-1,476,141.15-385,514.90

Finding the Fourth Proportional to 984,785.30, 1,476,141.15 and 385,514.90

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Solution

The fourth proportional to 984,785.30, 1,476,141.15 and 385,514.90 is: 577,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,785.30 : 1,476,141.15 = 385,514.90 : x
  2. Step 2: Convert to fraction form
    984,785.30/1,476,141.15 = 385,514.90/x
  3. Step 3: Cross multiply
    984,785.30x = 1,476,141.15 × 385,514.90
  4. Step 4: Simplify right side
    984,785.30x = 569,074,407,828.14
  5. Step 5: Solve for x
    x = 569,074,407,828.14/984,785.30
  6. Step 6: Final answer
    x = 577,866.47

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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.