Home / 698,828.28-1,048,211.91-219,045.13

Finding the Fourth Proportional to 698,828.28, 1,048,211.91 and 219,045.13

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Solution

The fourth proportional to 698,828.28, 1,048,211.91 and 219,045.13 is: 328,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,828.28 : 1,048,211.91 = 219,045.13 : x
  2. Step 2: Convert to fraction form
    698,828.28/1,048,211.91 = 219,045.13/x
  3. Step 3: Cross multiply
    698,828.28x = 1,048,211.91 × 219,045.13
  4. Step 4: Simplify right side
    698,828.28x = 229,605,714,093.50
  5. Step 5: Solve for x
    x = 229,605,714,093.50/698,828.28
  6. Step 6: Final answer
    x = 328,558.13

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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.