Home / 905,880.51-1,357,976.04-306,424.52

Finding the Fourth Proportional to 905,880.51, 1,357,976.04 and 306,424.52

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Solution

The fourth proportional to 905,880.51, 1,357,976.04 and 306,424.52 is: 459,351.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,880.51 : 1,357,976.04 = 306,424.52 : x
  2. Step 2: Convert to fraction form
    905,880.51/1,357,976.04 = 306,424.52/x
  3. Step 3: Cross multiply
    905,880.51x = 1,357,976.04 × 306,424.52
  4. Step 4: Simplify right side
    905,880.51x = 416,117,153,381.94
  5. Step 5: Solve for x
    x = 416,117,153,381.94/905,880.51
  6. Step 6: Final answer
    x = 459,351.04

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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.