Home / 790,319.18-1,090,631.04-427,734.38

Finding the Fourth Proportional to 790,319.18, 1,090,631.04 and 427,734.38

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Solution

The fourth proportional to 790,319.18, 1,090,631.04 and 427,734.38 is: 590,268.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,319.18 : 1,090,631.04 = 427,734.38 : x
  2. Step 2: Convert to fraction form
    790,319.18/1,090,631.04 = 427,734.38/x
  3. Step 3: Cross multiply
    790,319.18x = 1,090,631.04 × 427,734.38
  4. Step 4: Simplify right side
    790,319.18x = 466,500,391,703.16
  5. Step 5: Solve for x
    x = 466,500,391,703.16/790,319.18
  6. Step 6: Final answer
    x = 590,268.34

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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.