Home / 756,371.40-1,043,609.22-429,611.70

Finding the Fourth Proportional to 756,371.40, 1,043,609.22 and 429,611.70

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Solution

The fourth proportional to 756,371.40, 1,043,609.22 and 429,611.70 is: 592,760.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,371.40 : 1,043,609.22 = 429,611.70 : x
  2. Step 2: Convert to fraction form
    756,371.40/1,043,609.22 = 429,611.70/x
  3. Step 3: Cross multiply
    756,371.40x = 1,043,609.22 × 429,611.70
  4. Step 4: Simplify right side
    756,371.40x = 448,346,731,139.87
  5. Step 5: Solve for x
    x = 448,346,731,139.87/756,371.40
  6. Step 6: Final answer
    x = 592,760.03

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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.