Home / 785,903.65-1,179,312.91-330,461.96

Finding the Fourth Proportional to 785,903.65, 1,179,312.91 and 330,461.96

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Solution

The fourth proportional to 785,903.65, 1,179,312.91 and 330,461.96 is: 495,885.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,903.65 : 1,179,312.91 = 330,461.96 : x
  2. Step 2: Convert to fraction form
    785,903.65/1,179,312.91 = 330,461.96/x
  3. Step 3: Cross multiply
    785,903.65x = 1,179,312.91 × 330,461.96
  4. Step 4: Simplify right side
    785,903.65x = 389,718,055,691.90
  5. Step 5: Solve for x
    x = 389,718,055,691.90/785,903.65
  6. Step 6: Final answer
    x = 495,885.29

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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.