Home / 790,225.10-1,090,512.58-427,651.60

Finding the Fourth Proportional to 790,225.10, 1,090,512.58 and 427,651.60

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Solution

The fourth proportional to 790,225.10, 1,090,512.58 and 427,651.60 is: 590,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,225.10 : 1,090,512.58 = 427,651.60 : x
  2. Step 2: Convert to fraction form
    790,225.10/1,090,512.58 = 427,651.60/x
  3. Step 3: Cross multiply
    790,225.10x = 1,090,512.58 × 427,651.60
  4. Step 4: Simplify right side
    790,225.10x = 466,359,448,708.28
  5. Step 5: Solve for x
    x = 466,359,448,708.28/790,225.10
  6. Step 6: Final answer
    x = 590,160.25

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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.