Home / 698,577.70-1,047,866.55-432,857.20

Finding the Fourth Proportional to 698,577.70, 1,047,866.55 and 432,857.20

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Solution

The fourth proportional to 698,577.70, 1,047,866.55 and 432,857.20 is: 649,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,577.70 : 1,047,866.55 = 432,857.20 : x
  2. Step 2: Convert to fraction form
    698,577.70/1,047,866.55 = 432,857.20/x
  3. Step 3: Cross multiply
    698,577.70x = 1,047,866.55 × 432,857.20
  4. Step 4: Simplify right side
    698,577.70x = 453,576,580,806.66
  5. Step 5: Solve for x
    x = 453,576,580,806.66/698,577.70
  6. Step 6: Final answer
    x = 649,285.80

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Similar ratio
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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.