Home / 692,476.20-1,038,455.10-243,023.40

Finding the Fourth Proportional to 692,476.20, 1,038,455.10 and 243,023.40

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Solution

The fourth proportional to 692,476.20, 1,038,455.10 and 243,023.40 is: 364,444.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,476.20 : 1,038,455.10 = 243,023.40 : x
  2. Step 2: Convert to fraction form
    692,476.20/1,038,455.10 = 243,023.40/x
  3. Step 3: Cross multiply
    692,476.20x = 1,038,455.10 × 243,023.40
  4. Step 4: Simplify right side
    692,476.20x = 252,368,889,149.34
  5. Step 5: Solve for x
    x = 252,368,889,149.34/692,476.20
  6. Step 6: Final answer
    x = 364,444.13

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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.