Home / 741,903.10-1,023,826.47-402,368.38

Finding the Fourth Proportional to 741,903.10, 1,023,826.47 and 402,368.38

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Solution

The fourth proportional to 741,903.10, 1,023,826.47 and 402,368.38 is: 555,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,903.10 : 1,023,826.47 = 402,368.38 : x
  2. Step 2: Convert to fraction form
    741,903.10/1,023,826.47 = 402,368.38/x
  3. Step 3: Cross multiply
    741,903.10x = 1,023,826.47 × 402,368.38
  4. Step 4: Simplify right side
    741,903.10x = 411,955,398,135.02
  5. Step 5: Solve for x
    x = 411,955,398,135.02/741,903.10
  6. Step 6: Final answer
    x = 555,268.47

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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.