Home / 920,080.41-1,380,175.76-288,994.23

Finding the Fourth Proportional to 920,080.41, 1,380,175.76 and 288,994.23

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Solution

The fourth proportional to 920,080.41, 1,380,175.76 and 288,994.23 is: 433,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,080.41 : 1,380,175.76 = 288,994.23 : x
  2. Step 2: Convert to fraction form
    920,080.41/1,380,175.76 = 288,994.23/x
  3. Step 3: Cross multiply
    920,080.41x = 1,380,175.76 × 288,994.23
  4. Step 4: Simplify right side
    920,080.41x = 398,862,829,580.89
  5. Step 5: Solve for x
    x = 398,862,829,580.89/920,080.41
  6. Step 6: Final answer
    x = 433,508.66

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Double scale
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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.