Home / 811,501.42-1,119,904.94-448,919.03

Finding the Fourth Proportional to 811,501.42, 1,119,904.94 and 448,919.03

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Solution

The fourth proportional to 811,501.42, 1,119,904.94 and 448,919.03 is: 619,526.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,501.42 : 1,119,904.94 = 448,919.03 : x
  2. Step 2: Convert to fraction form
    811,501.42/1,119,904.94 = 448,919.03/x
  3. Step 3: Cross multiply
    811,501.42x = 1,119,904.94 × 448,919.03
  4. Step 4: Simplify right side
    811,501.42x = 502,746,639,357.01
  5. Step 5: Solve for x
    x = 502,746,639,357.01/811,501.42
  6. Step 6: Final answer
    x = 619,526.51

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.