Home / 762,605.64-1,143,617.12-257,030.80

Finding the Fourth Proportional to 762,605.64, 1,143,617.12 and 257,030.80

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Solution

The fourth proportional to 762,605.64, 1,143,617.12 and 257,030.80 is: 385,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,605.64 : 1,143,617.12 = 257,030.80 : x
  2. Step 2: Convert to fraction form
    762,605.64/1,143,617.12 = 257,030.80/x
  3. Step 3: Cross multiply
    762,605.64x = 1,143,617.12 × 257,030.80
  4. Step 4: Simplify right side
    762,605.64x = 293,944,823,247.30
  5. Step 5: Solve for x
    x = 293,944,823,247.30/762,605.64
  6. Step 6: Final answer
    x = 385,448.01

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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.