Home / 673,887.02-1,011,071.21-289,474.39

Finding the Fourth Proportional to 673,887.02, 1,011,071.21 and 289,474.39

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Solution

The fourth proportional to 673,887.02, 1,011,071.21 and 289,474.39 is: 434,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,887.02 : 1,011,071.21 = 289,474.39 : x
  2. Step 2: Convert to fraction form
    673,887.02/1,011,071.21 = 289,474.39/x
  3. Step 3: Cross multiply
    673,887.02x = 1,011,071.21 × 289,474.39
  4. Step 4: Simplify right side
    673,887.02x = 292,679,217,786.26
  5. Step 5: Solve for x
    x = 292,679,217,786.26/673,887.02
  6. Step 6: Final answer
    x = 434,314.96

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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.