Home / 692,477.20-1,038,456.60-243,024.40

Finding the Fourth Proportional to 692,477.20, 1,038,456.60 and 243,024.40

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Solution

The fourth proportional to 692,477.20, 1,038,456.60 and 243,024.40 is: 364,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,477.20 : 1,038,456.60 = 243,024.40 : x
  2. Step 2: Convert to fraction form
    692,477.20/1,038,456.60 = 243,024.40/x
  3. Step 3: Cross multiply
    692,477.20x = 1,038,456.60 × 243,024.40
  4. Step 4: Simplify right side
    692,477.20x = 252,370,292,141.04
  5. Step 5: Solve for x
    x = 252,370,292,141.04/692,477.20
  6. Step 6: Final answer
    x = 364,445.63

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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.