Home / 783,499.65-1,175,396.99-558,301.43

Finding the Fourth Proportional to 783,499.65, 1,175,396.99 and 558,301.43

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Solution

The fourth proportional to 783,499.65, 1,175,396.99 and 558,301.43 is: 837,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,499.65 : 1,175,396.99 = 558,301.43 : x
  2. Step 2: Convert to fraction form
    783,499.65/1,175,396.99 = 558,301.43/x
  3. Step 3: Cross multiply
    783,499.65x = 1,175,396.99 × 558,301.43
  4. Step 4: Simplify right side
    783,499.65x = 656,225,811,666.20
  5. Step 5: Solve for x
    x = 656,225,811,666.20/783,499.65
  6. Step 6: Final answer
    x = 837,557.25

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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.