Home / 683,415.80-1,025,123.70-633,649.40

Finding the Fourth Proportional to 683,415.80, 1,025,123.70 and 633,649.40

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Solution

The fourth proportional to 683,415.80, 1,025,123.70 and 633,649.40 is: 950,474.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,415.80 : 1,025,123.70 = 633,649.40 : x
  2. Step 2: Convert to fraction form
    683,415.80/1,025,123.70 = 633,649.40/x
  3. Step 3: Cross multiply
    683,415.80x = 1,025,123.70 × 633,649.40
  4. Step 4: Simplify right side
    683,415.80x = 649,569,017,430.78
  5. Step 5: Solve for x
    x = 649,569,017,430.78/683,415.80
  6. Step 6: Final answer
    x = 950,474.10

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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.