Home / 993,479.49-1,490,233.23-283,507.61

Finding the Fourth Proportional to 993,479.49, 1,490,233.23 and 283,507.61

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Solution

The fourth proportional to 993,479.49, 1,490,233.23 and 283,507.61 is: 425,265.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,479.49 : 1,490,233.23 = 283,507.61 : x
  2. Step 2: Convert to fraction form
    993,479.49/1,490,233.23 = 283,507.61/x
  3. Step 3: Cross multiply
    993,479.49x = 1,490,233.23 × 283,507.61
  4. Step 4: Simplify right side
    993,479.49x = 422,492,453,928.71
  5. Step 5: Solve for x
    x = 422,492,453,928.71/993,479.49
  6. Step 6: Final answer
    x = 425,265.40

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Double scale
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Similar ratio
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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.