Home / 906,294.32-1,250,653.44-498,392.72

Finding the Fourth Proportional to 906,294.32, 1,250,653.44 and 498,392.72

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Solution

The fourth proportional to 906,294.32, 1,250,653.44 and 498,392.72 is: 687,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,294.32 : 1,250,653.44 = 498,392.72 : x
  2. Step 2: Convert to fraction form
    906,294.32/1,250,653.44 = 498,392.72/x
  3. Step 3: Cross multiply
    906,294.32x = 1,250,653.44 × 498,392.72
  4. Step 4: Simplify right side
    906,294.32x = 623,316,569,738.96
  5. Step 5: Solve for x
    x = 623,316,569,738.96/906,294.32
  6. Step 6: Final answer
    x = 687,763.96

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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.