Home / 709,797.63-1,064,171.55-429,252.51

Finding the Fourth Proportional to 709,797.63, 1,064,171.55 and 429,252.51

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Solution

The fourth proportional to 709,797.63, 1,064,171.55 and 429,252.51 is: 643,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,797.63 : 1,064,171.55 = 429,252.51 : x
  2. Step 2: Convert to fraction form
    709,797.63/1,064,171.55 = 429,252.51/x
  3. Step 3: Cross multiply
    709,797.63x = 1,064,171.55 × 429,252.51
  4. Step 4: Simplify right side
    709,797.63x = 456,798,308,908.09
  5. Step 5: Solve for x
    x = 456,798,308,908.09/709,797.63
  6. Step 6: Final answer
    x = 643,561.33

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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.