Home / 679,474.02-1,019,308.90-252,973.64

Finding the Fourth Proportional to 679,474.02, 1,019,308.90 and 252,973.64

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Solution

The fourth proportional to 679,474.02, 1,019,308.90 and 252,973.64 is: 379,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,474.02 : 1,019,308.90 = 252,973.64 : x
  2. Step 2: Convert to fraction form
    679,474.02/1,019,308.90 = 252,973.64/x
  3. Step 3: Cross multiply
    679,474.02x = 1,019,308.90 × 252,973.64
  4. Step 4: Simplify right side
    679,474.02x = 257,858,282,717.40
  5. Step 5: Solve for x
    x = 257,858,282,717.40/679,474.02
  6. Step 6: Final answer
    x = 379,496.90

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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.