Home / 785,903.40-1,179,312.54-330,461.70

Finding the Fourth Proportional to 785,903.40, 1,179,312.54 and 330,461.70

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Solution

The fourth proportional to 785,903.40, 1,179,312.54 and 330,461.70 is: 495,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,903.40 : 1,179,312.54 = 330,461.70 : x
  2. Step 2: Convert to fraction form
    785,903.40/1,179,312.54 = 330,461.70/x
  3. Step 3: Cross multiply
    785,903.40x = 1,179,312.54 × 330,461.70
  4. Step 4: Simplify right side
    785,903.40x = 389,717,626,799.72
  5. Step 5: Solve for x
    x = 389,717,626,799.72/785,903.40
  6. Step 6: Final answer
    x = 495,884.90

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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.