Home / 698,360.22-1,046,663.86-298,531.06

Finding the Fourth Proportional to 698,360.22, 1,046,663.86 and 298,531.06

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Solution

The fourth proportional to 698,360.22, 1,046,663.86 and 298,531.06 is: 447,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,360.22 : 1,046,663.86 = 298,531.06 : x
  2. Step 2: Convert to fraction form
    698,360.22/1,046,663.86 = 298,531.06/x
  3. Step 3: Cross multiply
    698,360.22x = 1,046,663.86 × 298,531.06
  4. Step 4: Simplify right side
    698,360.22x = 312,461,671,589.49
  5. Step 5: Solve for x
    x = 312,461,671,589.49/698,360.22
  6. Step 6: Final answer
    x = 447,421.92

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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.