Home / 746,392.46-1,118,925.74-290,878.18

Finding the Fourth Proportional to 746,392.46, 1,118,925.74 and 290,878.18

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Solution

The fourth proportional to 746,392.46, 1,118,925.74 and 290,878.18 is: 436,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,392.46 : 1,118,925.74 = 290,878.18 : x
  2. Step 2: Convert to fraction form
    746,392.46/1,118,925.74 = 290,878.18/x
  3. Step 3: Cross multiply
    746,392.46x = 1,118,925.74 × 290,878.18
  4. Step 4: Simplify right side
    746,392.46x = 325,471,080,736.23
  5. Step 5: Solve for x
    x = 325,471,080,736.23/746,392.46
  6. Step 6: Final answer
    x = 436,058.91

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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.