Home / 790,090.64-1,090,316.88-427,506.49

Finding the Fourth Proportional to 790,090.64, 1,090,316.88 and 427,506.49

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Solution

The fourth proportional to 790,090.64, 1,090,316.88 and 427,506.49 is: 589,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,090.64 : 1,090,316.88 = 427,506.49 : x
  2. Step 2: Convert to fraction form
    790,090.64/1,090,316.88 = 427,506.49/x
  3. Step 3: Cross multiply
    790,090.64x = 1,090,316.88 × 427,506.49
  4. Step 4: Simplify right side
    790,090.64x = 466,117,542,356.55
  5. Step 5: Solve for x
    x = 466,117,542,356.55/790,090.64
  6. Step 6: Final answer
    x = 589,954.52

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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.