Home / 709,795.13-1,064,167.81-429,250.01

Finding the Fourth Proportional to 709,795.13, 1,064,167.81 and 429,250.01

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Solution

The fourth proportional to 709,795.13, 1,064,167.81 and 429,250.01 is: 643,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,795.13 : 1,064,167.81 = 429,250.01 : x
  2. Step 2: Convert to fraction form
    709,795.13/1,064,167.81 = 429,250.01/x
  3. Step 3: Cross multiply
    709,795.13x = 1,064,167.81 × 429,250.01
  4. Step 4: Simplify right side
    709,795.13x = 456,794,036,690.21
  5. Step 5: Solve for x
    x = 456,794,036,690.21/709,795.13
  6. Step 6: Final answer
    x = 643,557.59

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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.