Home / 785,206.12-1,175,484.10-484,720.52

Finding the Fourth Proportional to 785,206.12, 1,175,484.10 and 484,720.52

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Solution

The fourth proportional to 785,206.12, 1,175,484.10 and 484,720.52 is: 725,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,206.12 : 1,175,484.10 = 484,720.52 : x
  2. Step 2: Convert to fraction form
    785,206.12/1,175,484.10 = 484,720.52/x
  3. Step 3: Cross multiply
    785,206.12x = 1,175,484.10 × 484,720.52
  4. Step 4: Simplify right side
    785,206.12x = 569,781,264,203.73
  5. Step 5: Solve for x
    x = 569,781,264,203.73/785,206.12
  6. Step 6: Final answer
    x = 725,645.47

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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.