Home / 679,475.02-1,019,310.40-252,974.64

Finding the Fourth Proportional to 679,475.02, 1,019,310.40 and 252,974.64

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Solution

The fourth proportional to 679,475.02, 1,019,310.40 and 252,974.64 is: 379,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,475.02 : 1,019,310.40 = 252,974.64 : x
  2. Step 2: Convert to fraction form
    679,475.02/1,019,310.40 = 252,974.64/x
  3. Step 3: Cross multiply
    679,475.02x = 1,019,310.40 × 252,974.64
  4. Step 4: Simplify right side
    679,475.02x = 257,859,681,488.26
  5. Step 5: Solve for x
    x = 257,859,681,488.26/679,475.02
  6. Step 6: Final answer
    x = 379,498.40

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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.