Home / 692,344.33-1,038,599.43-212,509.29

Finding the Fourth Proportional to 692,344.33, 1,038,599.43 and 212,509.29

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Solution

The fourth proportional to 692,344.33, 1,038,599.43 and 212,509.29 is: 318,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,344.33 : 1,038,599.43 = 212,509.29 : x
  2. Step 2: Convert to fraction form
    692,344.33/1,038,599.43 = 212,509.29/x
  3. Step 3: Cross multiply
    692,344.33x = 1,038,599.43 × 212,509.29
  4. Step 4: Simplify right side
    692,344.33x = 220,712,031,756.91
  5. Step 5: Solve for x
    x = 220,712,031,756.91/692,344.33
  6. Step 6: Final answer
    x = 318,789.40

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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.