Home / 916,054.60-1,264,162.94-508,183.16

Finding the Fourth Proportional to 916,054.60, 1,264,162.94 and 508,183.16

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Solution

The fourth proportional to 916,054.60, 1,264,162.94 and 508,183.16 is: 701,296.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,054.60 : 1,264,162.94 = 508,183.16 : x
  2. Step 2: Convert to fraction form
    916,054.60/1,264,162.94 = 508,183.16/x
  3. Step 3: Cross multiply
    916,054.60x = 1,264,162.94 × 508,183.16
  4. Step 4: Simplify right side
    916,054.60x = 642,426,317,604.09
  5. Step 5: Solve for x
    x = 642,426,317,604.09/916,054.60
  6. Step 6: Final answer
    x = 701,296.97

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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.