Home / 753,205.64-1,039,123.28-481,202.98

Finding the Fourth Proportional to 753,205.64, 1,039,123.28 and 481,202.98

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Solution

The fourth proportional to 753,205.64, 1,039,123.28 and 481,202.98 is: 663,868.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,205.64 : 1,039,123.28 = 481,202.98 : x
  2. Step 2: Convert to fraction form
    753,205.64/1,039,123.28 = 481,202.98/x
  3. Step 3: Cross multiply
    753,205.64x = 1,039,123.28 × 481,202.98
  4. Step 4: Simplify right side
    753,205.64x = 500,029,217,528.57
  5. Step 5: Solve for x
    x = 500,029,217,528.57/753,205.64
  6. Step 6: Final answer
    x = 663,868.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.