Home / 768,174.63-1,060,081.08-424,010.67

Finding the Fourth Proportional to 768,174.63, 1,060,081.08 and 424,010.67

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Solution

The fourth proportional to 768,174.63, 1,060,081.08 and 424,010.67 is: 585,134.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,174.63 : 1,060,081.08 = 424,010.67 : x
  2. Step 2: Convert to fraction form
    768,174.63/1,060,081.08 = 424,010.67/x
  3. Step 3: Cross multiply
    768,174.63x = 1,060,081.08 × 424,010.67
  4. Step 4: Simplify right side
    768,174.63x = 449,485,688,985.12
  5. Step 5: Solve for x
    x = 449,485,688,985.12/768,174.63
  6. Step 6: Final answer
    x = 585,134.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.