Home / 692,799.40-1,038,983.10-272,204.20

Finding the Fourth Proportional to 692,799.40, 1,038,983.10 and 272,204.20

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Solution

The fourth proportional to 692,799.40, 1,038,983.10 and 272,204.20 is: 408,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,799.40 : 1,038,983.10 = 272,204.20 : x
  2. Step 2: Convert to fraction form
    692,799.40/1,038,983.10 = 272,204.20/x
  3. Step 3: Cross multiply
    692,799.40x = 1,038,983.10 × 272,204.20
  4. Step 4: Simplify right side
    692,799.40x = 282,815,563,549.02
  5. Step 5: Solve for x
    x = 282,815,563,549.02/692,799.40
  6. Step 6: Final answer
    x = 408,221.43

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1.5x scale

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.