Home / 697,715.70-1,046,573.55-172,403.70

Finding the Fourth Proportional to 697,715.70, 1,046,573.55 and 172,403.70

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Solution

The fourth proportional to 697,715.70, 1,046,573.55 and 172,403.70 is: 258,605.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,715.70 : 1,046,573.55 = 172,403.70 : x
  2. Step 2: Convert to fraction form
    697,715.70/1,046,573.55 = 172,403.70/x
  3. Step 3: Cross multiply
    697,715.70x = 1,046,573.55 × 172,403.70
  4. Step 4: Simplify right side
    697,715.70x = 180,433,152,342.14
  5. Step 5: Solve for x
    x = 180,433,152,342.14/697,715.70
  6. Step 6: Final answer
    x = 258,605.55

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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.