Home / 741,804.10-1,023,689.93-402,272.26

Finding the Fourth Proportional to 741,804.10, 1,023,689.93 and 402,272.26

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Solution

The fourth proportional to 741,804.10, 1,023,689.93 and 402,272.26 is: 555,135.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,804.10 : 1,023,689.93 = 402,272.26 : x
  2. Step 2: Convert to fraction form
    741,804.10/1,023,689.93 = 402,272.26/x
  3. Step 3: Cross multiply
    741,804.10x = 1,023,689.93 × 402,272.26
  4. Step 4: Simplify right side
    741,804.10x = 411,802,061,680.34
  5. Step 5: Solve for x
    x = 411,802,061,680.34/741,804.10
  6. Step 6: Final answer
    x = 555,135.87

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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.