Home / 669,246.30-1,004,647.05-403,307.10

Finding the Fourth Proportional to 669,246.30, 1,004,647.05 and 403,307.10

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Solution

The fourth proportional to 669,246.30, 1,004,647.05 and 403,307.10 is: 605,429.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,246.30 : 1,004,647.05 = 403,307.10 : x
  2. Step 2: Convert to fraction form
    669,246.30/1,004,647.05 = 403,307.10/x
  3. Step 3: Cross multiply
    669,246.30x = 1,004,647.05 × 403,307.10
  4. Step 4: Simplify right side
    669,246.30x = 405,181,288,259.06
  5. Step 5: Solve for x
    x = 405,181,288,259.06/669,246.30
  6. Step 6: Final answer
    x = 605,429.25

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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.