Home / 785,202.84-1,177,779.14-330,035.24

Finding the Fourth Proportional to 785,202.84, 1,177,779.14 and 330,035.24

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Solution

The fourth proportional to 785,202.84, 1,177,779.14 and 330,035.24 is: 495,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,202.84 : 1,177,779.14 = 330,035.24 : x
  2. Step 2: Convert to fraction form
    785,202.84/1,177,779.14 = 330,035.24/x
  3. Step 3: Cross multiply
    785,202.84x = 1,177,779.14 × 330,035.24
  4. Step 4: Simplify right side
    785,202.84x = 388,708,621,136.89
  5. Step 5: Solve for x
    x = 388,708,621,136.89/785,202.84
  6. Step 6: Final answer
    x = 495,042.30

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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.