Home / 744,357.10-1,116,542.40-211,877.92

Finding the Fourth Proportional to 744,357.10, 1,116,542.40 and 211,877.92

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Solution

The fourth proportional to 744,357.10, 1,116,542.40 and 211,877.92 is: 317,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,357.10 : 1,116,542.40 = 211,877.92 : x
  2. Step 2: Convert to fraction form
    744,357.10/1,116,542.40 = 211,877.92/x
  3. Step 3: Cross multiply
    744,357.10x = 1,116,542.40 × 211,877.92
  4. Step 4: Simplify right side
    744,357.10x = 236,570,681,303.81
  5. Step 5: Solve for x
    x = 236,570,681,303.81/744,357.10
  6. Step 6: Final answer
    x = 317,818.80

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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.