Home / 673,615.32-1,010,420.16-274,161.40

Finding the Fourth Proportional to 673,615.32, 1,010,420.16 and 274,161.40

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Solution

The fourth proportional to 673,615.32, 1,010,420.16 and 274,161.40 is: 411,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,615.32 : 1,010,420.16 = 274,161.40 : x
  2. Step 2: Convert to fraction form
    673,615.32/1,010,420.16 = 274,161.40/x
  3. Step 3: Cross multiply
    673,615.32x = 1,010,420.16 × 274,161.40
  4. Step 4: Simplify right side
    673,615.32x = 277,018,205,653.82
  5. Step 5: Solve for x
    x = 277,018,205,653.82/673,615.32
  6. Step 6: Final answer
    x = 411,240.95

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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.