Home / 672,190.16-1,008,434.76-293,172.20

Finding the Fourth Proportional to 672,190.16, 1,008,434.76 and 293,172.20

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Solution

The fourth proportional to 672,190.16, 1,008,434.76 and 293,172.20 is: 439,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,190.16 : 1,008,434.76 = 293,172.20 : x
  2. Step 2: Convert to fraction form
    672,190.16/1,008,434.76 = 293,172.20/x
  3. Step 3: Cross multiply
    672,190.16x = 1,008,434.76 × 293,172.20
  4. Step 4: Simplify right side
    672,190.16x = 295,645,037,145.67
  5. Step 5: Solve for x
    x = 295,645,037,145.67/672,190.16
  6. Step 6: Final answer
    x = 439,823.51

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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.