Home / 698,617.71-1,047,926.43-298,999.35

Finding the Fourth Proportional to 698,617.71, 1,047,926.43 and 298,999.35

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Solution

The fourth proportional to 698,617.71, 1,047,926.43 and 298,999.35 is: 448,498.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,617.71 : 1,047,926.43 = 298,999.35 : x
  2. Step 2: Convert to fraction form
    698,617.71/1,047,926.43 = 298,999.35/x
  3. Step 3: Cross multiply
    698,617.71x = 1,047,926.43 × 298,999.35
  4. Step 4: Simplify right side
    698,617.71x = 313,329,321,417.82
  5. Step 5: Solve for x
    x = 313,329,321,417.82/698,617.71
  6. Step 6: Final answer
    x = 448,498.97

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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.