Home / 744,865.70-1,117,308.96-212,386.94

Finding the Fourth Proportional to 744,865.70, 1,117,308.96 and 212,386.94

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Solution

The fourth proportional to 744,865.70, 1,117,308.96 and 212,386.94 is: 318,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,865.70 : 1,117,308.96 = 212,386.94 : x
  2. Step 2: Convert to fraction form
    744,865.70/1,117,308.96 = 212,386.94/x
  3. Step 3: Cross multiply
    744,865.70x = 1,117,308.96 × 212,386.94
  4. Step 4: Simplify right side
    744,865.70x = 237,301,831,048.98
  5. Step 5: Solve for x
    x = 237,301,831,048.98/744,865.70
  6. Step 6: Final answer
    x = 318,583.38

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1.5x scale

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.