Home / 698,518.86-1,046,901.78-298,689.47

Finding the Fourth Proportional to 698,518.86, 1,046,901.78 and 298,689.47

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Solution

The fourth proportional to 698,518.86, 1,046,901.78 and 298,689.47 is: 447,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,518.86 : 1,046,901.78 = 298,689.47 : x
  2. Step 2: Convert to fraction form
    698,518.86/1,046,901.78 = 298,689.47/x
  3. Step 3: Cross multiply
    698,518.86x = 1,046,901.78 × 298,689.47
  4. Step 4: Simplify right side
    698,518.86x = 312,698,537,810.26
  5. Step 5: Solve for x
    x = 312,698,537,810.26/698,518.86
  6. Step 6: Final answer
    x = 447,659.41

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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.