Home / 790,168.83-1,090,435.85-427,592.64

Finding the Fourth Proportional to 790,168.83, 1,090,435.85 and 427,592.64

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Solution

The fourth proportional to 790,168.83, 1,090,435.85 and 427,592.64 is: 590,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,168.83 : 1,090,435.85 = 427,592.64 : x
  2. Step 2: Convert to fraction form
    790,168.83/1,090,435.85 = 427,592.64/x
  3. Step 3: Cross multiply
    790,168.83x = 1,090,435.85 × 427,592.64
  4. Step 4: Simplify right side
    790,168.83x = 466,262,343,852.14
  5. Step 5: Solve for x
    x = 466,262,343,852.14/790,168.83
  6. Step 6: Final answer
    x = 590,079.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.