Home / 700,904.21-1,051,443.81-274,384.94

Finding the Fourth Proportional to 700,904.21, 1,051,443.81 and 274,384.94

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Solution

The fourth proportional to 700,904.21, 1,051,443.81 and 274,384.94 is: 411,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,904.21 : 1,051,443.81 = 274,384.94 : x
  2. Step 2: Convert to fraction form
    700,904.21/1,051,443.81 = 274,384.94/x
  3. Step 3: Cross multiply
    700,904.21x = 1,051,443.81 × 274,384.94
  4. Step 4: Simplify right side
    700,904.21x = 288,500,346,720.22
  5. Step 5: Solve for x
    x = 288,500,346,720.22/700,904.21
  6. Step 6: Final answer
    x = 411,611.66

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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.