Home / 807,421.15-1,211,368.58-238,817.25

Finding the Fourth Proportional to 807,421.15, 1,211,368.58 and 238,817.25

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Solution

The fourth proportional to 807,421.15, 1,211,368.58 and 238,817.25 is: 358,295.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,421.15 : 1,211,368.58 = 238,817.25 : x
  2. Step 2: Convert to fraction form
    807,421.15/1,211,368.58 = 238,817.25/x
  3. Step 3: Cross multiply
    807,421.15x = 1,211,368.58 × 238,817.25
  4. Step 4: Simplify right side
    807,421.15x = 289,295,712,713.48
  5. Step 5: Solve for x
    x = 289,295,712,713.48/807,421.15
  6. Step 6: Final answer
    x = 358,295.93

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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.