Home / 734,980.50-1,102,755.96-286,016.72

Finding the Fourth Proportional to 734,980.50, 1,102,755.96 and 286,016.72

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Solution

The fourth proportional to 734,980.50, 1,102,755.96 and 286,016.72 is: 429,136.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,980.50 : 1,102,755.96 = 286,016.72 : x
  2. Step 2: Convert to fraction form
    734,980.50/1,102,755.96 = 286,016.72/x
  3. Step 3: Cross multiply
    734,980.50x = 1,102,755.96 × 286,016.72
  4. Step 4: Simplify right side
    734,980.50x = 315,406,637,125.87
  5. Step 5: Solve for x
    x = 315,406,637,125.87/734,980.50
  6. Step 6: Final answer
    x = 429,136.06

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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.