Home / 692,495.48-1,038,898.86-219,209.24

Finding the Fourth Proportional to 692,495.48, 1,038,898.86 and 219,209.24

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Solution

The fourth proportional to 692,495.48, 1,038,898.86 and 219,209.24 is: 328,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,495.48 : 1,038,898.86 = 219,209.24 : x
  2. Step 2: Convert to fraction form
    692,495.48/1,038,898.86 = 219,209.24/x
  3. Step 3: Cross multiply
    692,495.48x = 1,038,898.86 × 219,209.24
  4. Step 4: Simplify right side
    692,495.48x = 227,736,229,537.47
  5. Step 5: Solve for x
    x = 227,736,229,537.47/692,495.48
  6. Step 6: Final answer
    x = 328,863.13

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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.