Home / 905,473.70-1,358,127.51-306,366.24

Finding the Fourth Proportional to 905,473.70, 1,358,127.51 and 306,366.24

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Solution

The fourth proportional to 905,473.70, 1,358,127.51 and 306,366.24 is: 459,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,473.70 : 1,358,127.51 = 306,366.24 : x
  2. Step 2: Convert to fraction form
    905,473.70/1,358,127.51 = 306,366.24/x
  3. Step 3: Cross multiply
    905,473.70x = 1,358,127.51 × 306,366.24
  4. Step 4: Simplify right side
    905,473.70x = 416,084,418,679.26
  5. Step 5: Solve for x
    x = 416,084,418,679.26/905,473.70
  6. Step 6: Final answer
    x = 459,521.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.