Home / 757,856.16-1,045,850.04-418,324.32

Finding the Fourth Proportional to 757,856.16, 1,045,850.04 and 418,324.32

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Solution

The fourth proportional to 757,856.16, 1,045,850.04 and 418,324.32 is: 577,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,856.16 : 1,045,850.04 = 418,324.32 : x
  2. Step 2: Convert to fraction form
    757,856.16/1,045,850.04 = 418,324.32/x
  3. Step 3: Cross multiply
    757,856.16x = 1,045,850.04 × 418,324.32
  4. Step 4: Simplify right side
    757,856.16x = 437,504,506,804.97
  5. Step 5: Solve for x
    x = 437,504,506,804.97/757,856.16
  6. Step 6: Final answer
    x = 577,292.28

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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.