Home / 743,387.19-1,025,881.52-403,857.87

Finding the Fourth Proportional to 743,387.19, 1,025,881.52 and 403,857.87

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Solution

The fourth proportional to 743,387.19, 1,025,881.52 and 403,857.87 is: 557,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,387.19 : 1,025,881.52 = 403,857.87 : x
  2. Step 2: Convert to fraction form
    743,387.19/1,025,881.52 = 403,857.87/x
  3. Step 3: Cross multiply
    743,387.19x = 1,025,881.52 × 403,857.87
  4. Step 4: Simplify right side
    743,387.19x = 414,310,323,520.27
  5. Step 5: Solve for x
    x = 414,310,323,520.27/743,387.19
  6. Step 6: Final answer
    x = 557,327.77

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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.