Home / 741,549.66-1,023,345.27-402,018.72

Finding the Fourth Proportional to 741,549.66, 1,023,345.27 and 402,018.72

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Solution

The fourth proportional to 741,549.66, 1,023,345.27 and 402,018.72 is: 554,789.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,549.66 : 1,023,345.27 = 402,018.72 : x
  2. Step 2: Convert to fraction form
    741,549.66/1,023,345.27 = 402,018.72/x
  3. Step 3: Cross multiply
    741,549.66x = 1,023,345.27 × 402,018.72
  4. Step 4: Simplify right side
    741,549.66x = 411,403,955,563.45
  5. Step 5: Solve for x
    x = 411,403,955,563.45/741,549.66
  6. Step 6: Final answer
    x = 554,789.49

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Double scale
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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.