Home / 790,572.42-1,090,982.16-427,986.72

Finding the Fourth Proportional to 790,572.42, 1,090,982.16 and 427,986.72

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Solution

The fourth proportional to 790,572.42, 1,090,982.16 and 427,986.72 is: 590,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,572.42 : 1,090,982.16 = 427,986.72 : x
  2. Step 2: Convert to fraction form
    790,572.42/1,090,982.16 = 427,986.72/x
  3. Step 3: Cross multiply
    790,572.42x = 1,090,982.16 × 427,986.72
  4. Step 4: Simplify right side
    790,572.42x = 466,925,876,236.92
  5. Step 5: Solve for x
    x = 466,925,876,236.92/790,572.42
  6. Step 6: Final answer
    x = 590,617.46

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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.