Home / 764,823.93-1,055,457.90-425,284.89

Finding the Fourth Proportional to 764,823.93, 1,055,457.90 and 425,284.89

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Solution

The fourth proportional to 764,823.93, 1,055,457.90 and 425,284.89 is: 586,893.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,823.93 : 1,055,457.90 = 425,284.89 : x
  2. Step 2: Convert to fraction form
    764,823.93/1,055,457.90 = 425,284.89/x
  3. Step 3: Cross multiply
    764,823.93x = 1,055,457.90 × 425,284.89
  4. Step 4: Simplify right side
    764,823.93x = 448,870,296,901.13
  5. Step 5: Solve for x
    x = 448,870,296,901.13/764,823.93
  6. Step 6: Final answer
    x = 586,893.64

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Why These Related Problems?

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