Home / 698,919.80-1,046,842.98-577,601.79

Finding the Fourth Proportional to 698,919.80, 1,046,842.98 and 577,601.79

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Solution

The fourth proportional to 698,919.80, 1,046,842.98 and 577,601.79 is: 865,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,919.80 : 1,046,842.98 = 577,601.79 : x
  2. Step 2: Convert to fraction form
    698,919.80/1,046,842.98 = 577,601.79/x
  3. Step 3: Cross multiply
    698,919.80x = 1,046,842.98 × 577,601.79
  4. Step 4: Simplify right side
    698,919.80x = 604,658,379,096.93
  5. Step 5: Solve for x
    x = 604,658,379,096.93/698,919.80
  6. Step 6: Final answer
    x = 865,132.71

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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.