Home / 757,541.36-1,045,376.52-418,005.20

Finding the Fourth Proportional to 757,541.36, 1,045,376.52 and 418,005.20

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Solution

The fourth proportional to 757,541.36, 1,045,376.52 and 418,005.20 is: 576,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,541.36 : 1,045,376.52 = 418,005.20 : x
  2. Step 2: Convert to fraction form
    757,541.36/1,045,376.52 = 418,005.20/x
  3. Step 3: Cross multiply
    757,541.36x = 1,045,376.52 × 418,005.20
  4. Step 4: Simplify right side
    757,541.36x = 436,972,821,317.90
  5. Step 5: Solve for x
    x = 436,972,821,317.90/757,541.36
  6. Step 6: Final answer
    x = 576,830.32

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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.