Home / 744,620.16-1,116,996.74-289,200.54

Finding the Fourth Proportional to 744,620.16, 1,116,996.74 and 289,200.54

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Solution

The fourth proportional to 744,620.16, 1,116,996.74 and 289,200.54 is: 433,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,620.16 : 1,116,996.74 = 289,200.54 : x
  2. Step 2: Convert to fraction form
    744,620.16/1,116,996.74 = 289,200.54/x
  3. Step 3: Cross multiply
    744,620.16x = 1,116,996.74 × 289,200.54
  4. Step 4: Simplify right side
    744,620.16x = 323,036,060,386.24
  5. Step 5: Solve for x
    x = 323,036,060,386.24/744,620.16
  6. Step 6: Final answer
    x = 433,826.64

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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.