Home / 790,187.52-1,090,450.46-427,603.44

Finding the Fourth Proportional to 790,187.52, 1,090,450.46 and 427,603.44

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Solution

The fourth proportional to 790,187.52, 1,090,450.46 and 427,603.44 is: 590,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,187.52 : 1,090,450.46 = 427,603.44 : x
  2. Step 2: Convert to fraction form
    790,187.52/1,090,450.46 = 427,603.44/x
  3. Step 3: Cross multiply
    790,187.52x = 1,090,450.46 × 427,603.44
  4. Step 4: Simplify right side
    790,187.52x = 466,280,367,845.58
  5. Step 5: Solve for x
    x = 466,280,367,845.58/790,187.52
  6. Step 6: Final answer
    x = 590,088.25

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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.