Home / 779,205.47-1,168,841.55-305,993.21

Finding the Fourth Proportional to 779,205.47, 1,168,841.55 and 305,993.21

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Solution

The fourth proportional to 779,205.47, 1,168,841.55 and 305,993.21 is: 459,002.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,205.47 : 1,168,841.55 = 305,993.21 : x
  2. Step 2: Convert to fraction form
    779,205.47/1,168,841.55 = 305,993.21/x
  3. Step 3: Cross multiply
    779,205.47x = 1,168,841.55 × 305,993.21
  4. Step 4: Simplify right side
    779,205.47x = 357,657,577,865.88
  5. Step 5: Solve for x
    x = 357,657,577,865.88/779,205.47
  6. Step 6: Final answer
    x = 459,002.91

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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.