Home / 790,196.47-1,090,471.08-427,620.31

Finding the Fourth Proportional to 790,196.47, 1,090,471.08 and 427,620.31

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Solution

The fourth proportional to 790,196.47, 1,090,471.08 and 427,620.31 is: 590,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,196.47 : 1,090,471.08 = 427,620.31 : x
  2. Step 2: Convert to fraction form
    790,196.47/1,090,471.08 = 427,620.31/x
  3. Step 3: Cross multiply
    790,196.47x = 1,090,471.08 × 427,620.31
  4. Step 4: Simplify right side
    790,196.47x = 466,307,581,275.64
  5. Step 5: Solve for x
    x = 466,307,581,275.64/790,196.47
  6. Step 6: Final answer
    x = 590,116.00

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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.