Home / 692,515.20-1,038,513.60-243,062.40

Finding the Fourth Proportional to 692,515.20, 1,038,513.60 and 243,062.40

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Solution

The fourth proportional to 692,515.20, 1,038,513.60 and 243,062.40 is: 364,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,515.20 : 1,038,513.60 = 243,062.40 : x
  2. Step 2: Convert to fraction form
    692,515.20/1,038,513.60 = 243,062.40/x
  3. Step 3: Cross multiply
    692,515.20x = 1,038,513.60 × 243,062.40
  4. Step 4: Simplify right side
    692,515.20x = 252,423,608,048.64
  5. Step 5: Solve for x
    x = 252,423,608,048.64/692,515.20
  6. Step 6: Final answer
    x = 364,502.62

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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.