Home / 772,694.33-1,066,382.01-428,641.19

Finding the Fourth Proportional to 772,694.33, 1,066,382.01 and 428,641.19

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Solution

The fourth proportional to 772,694.33, 1,066,382.01 and 428,641.19 is: 591,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,694.33 : 1,066,382.01 = 428,641.19 : x
  2. Step 2: Convert to fraction form
    772,694.33/1,066,382.01 = 428,641.19/x
  3. Step 3: Cross multiply
    772,694.33x = 1,066,382.01 × 428,641.19
  4. Step 4: Simplify right side
    772,694.33x = 457,095,248,429.08
  5. Step 5: Solve for x
    x = 457,095,248,429.08/772,694.33
  6. Step 6: Final answer
    x = 591,560.25

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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.