Home / 456,434.10-684,651.15-403,946.10

Finding the Fourth Proportional to 456,434.10, 684,651.15 and 403,946.10

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Solution

The fourth proportional to 456,434.10, 684,651.15 and 403,946.10 is: 605,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,434.10 : 684,651.15 = 403,946.10 : x
  2. Step 2: Convert to fraction form
    456,434.10/684,651.15 = 403,946.10/x
  3. Step 3: Cross multiply
    456,434.10x = 684,651.15 × 403,946.10
  4. Step 4: Simplify right side
    456,434.10x = 276,562,161,903.02
  5. Step 5: Solve for x
    x = 276,562,161,903.02/456,434.10
  6. Step 6: Final answer
    x = 605,919.15

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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.