Home / 717,749.83-1,076,624.75-212,271.48

Finding the Fourth Proportional to 717,749.83, 1,076,624.75 and 212,271.48

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Solution

The fourth proportional to 717,749.83, 1,076,624.75 and 212,271.48 is: 318,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,749.83 : 1,076,624.75 = 212,271.48 : x
  2. Step 2: Convert to fraction form
    717,749.83/1,076,624.75 = 212,271.48/x
  3. Step 3: Cross multiply
    717,749.83x = 1,076,624.75 × 212,271.48
  4. Step 4: Simplify right side
    717,749.83x = 228,536,725,315.13
  5. Step 5: Solve for x
    x = 228,536,725,315.13/717,749.83
  6. Step 6: Final answer
    x = 318,407.22

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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.