Home / 698,986.93-1,046,798.76-398,556.70

Finding the Fourth Proportional to 698,986.93, 1,046,798.76 and 398,556.70

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Solution

The fourth proportional to 698,986.93, 1,046,798.76 and 398,556.70 is: 596,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,986.93 : 1,046,798.76 = 398,556.70 : x
  2. Step 2: Convert to fraction form
    698,986.93/1,046,798.76 = 398,556.70/x
  3. Step 3: Cross multiply
    698,986.93x = 1,046,798.76 × 398,556.70
  4. Step 4: Simplify right side
    698,986.93x = 417,208,659,349.69
  5. Step 5: Solve for x
    x = 417,208,659,349.69/698,986.93
  6. Step 6: Final answer
    x = 596,876.20

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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.