Home / 698,988.93-1,046,801.76-398,558.70

Finding the Fourth Proportional to 698,988.93, 1,046,801.76 and 398,558.70

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Solution

The fourth proportional to 698,988.93, 1,046,801.76 and 398,558.70 is: 596,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,988.93 : 1,046,801.76 = 398,558.70 : x
  2. Step 2: Convert to fraction form
    698,988.93/1,046,801.76 = 398,558.70/x
  3. Step 3: Cross multiply
    698,988.93x = 1,046,801.76 × 398,558.70
  4. Step 4: Simplify right side
    698,988.93x = 417,211,948,623.31
  5. Step 5: Solve for x
    x = 417,211,948,623.31/698,988.93
  6. Step 6: Final answer
    x = 596,879.19

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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.