Home / 741,402.36-1,023,135.71-401,870.61

Finding the Fourth Proportional to 741,402.36, 1,023,135.71 and 401,870.61

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Solution

The fourth proportional to 741,402.36, 1,023,135.71 and 401,870.61 is: 554,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,402.36 : 1,023,135.71 = 401,870.61 : x
  2. Step 2: Convert to fraction form
    741,402.36/1,023,135.71 = 401,870.61/x
  3. Step 3: Cross multiply
    741,402.36x = 1,023,135.71 × 401,870.61
  4. Step 4: Simplify right side
    741,402.36x = 411,168,171,890.48
  5. Step 5: Solve for x
    x = 411,168,171,890.48/741,402.36
  6. Step 6: Final answer
    x = 554,581.69

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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.