Home / 683,422.80-1,025,134.20-604,690.80

Finding the Fourth Proportional to 683,422.80, 1,025,134.20 and 604,690.80

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Solution

The fourth proportional to 683,422.80, 1,025,134.20 and 604,690.80 is: 907,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,422.80 : 1,025,134.20 = 604,690.80 : x
  2. Step 2: Convert to fraction form
    683,422.80/1,025,134.20 = 604,690.80/x
  3. Step 3: Cross multiply
    683,422.80x = 1,025,134.20 × 604,690.80
  4. Step 4: Simplify right side
    683,422.80x = 619,889,219,505.36
  5. Step 5: Solve for x
    x = 619,889,219,505.36/683,422.80
  6. Step 6: Final answer
    x = 907,036.20

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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.