Home / 670,729.64-1,005,985.10-197,304.28

Finding the Fourth Proportional to 670,729.64, 1,005,985.10 and 197,304.28

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Solution

The fourth proportional to 670,729.64, 1,005,985.10 and 197,304.28 is: 295,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,729.64 : 1,005,985.10 = 197,304.28 : x
  2. Step 2: Convert to fraction form
    670,729.64/1,005,985.10 = 197,304.28/x
  3. Step 3: Cross multiply
    670,729.64x = 1,005,985.10 × 197,304.28
  4. Step 4: Simplify right side
    670,729.64x = 198,485,163,824.53
  5. Step 5: Solve for x
    x = 198,485,163,824.53/670,729.64
  6. Step 6: Final answer
    x = 295,924.25

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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.