Home / 790,189.87-1,090,457.84-427,613.52

Finding the Fourth Proportional to 790,189.87, 1,090,457.84 and 427,613.52

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Solution

The fourth proportional to 790,189.87, 1,090,457.84 and 427,613.52 is: 590,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,189.87 : 1,090,457.84 = 427,613.52 : x
  2. Step 2: Convert to fraction form
    790,189.87/1,090,457.84 = 427,613.52/x
  3. Step 3: Cross multiply
    790,189.87x = 1,090,457.84 × 427,613.52
  4. Step 4: Simplify right side
    790,189.87x = 466,294,515,374.00
  5. Step 5: Solve for x
    x = 466,294,515,374.00/790,189.87
  6. Step 6: Final answer
    x = 590,104.40

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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.