Home / 738,120.54-1,104,669.61-453,661.10

Finding the Fourth Proportional to 738,120.54, 1,104,669.61 and 453,661.10

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Solution

The fourth proportional to 738,120.54, 1,104,669.61 and 453,661.10 is: 678,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,120.54 : 1,104,669.61 = 453,661.10 : x
  2. Step 2: Convert to fraction form
    738,120.54/1,104,669.61 = 453,661.10/x
  3. Step 3: Cross multiply
    738,120.54x = 1,104,669.61 × 453,661.10
  4. Step 4: Simplify right side
    738,120.54x = 501,145,623,751.67
  5. Step 5: Solve for x
    x = 501,145,623,751.67/738,120.54
  6. Step 6: Final answer
    x = 678,948.22

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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.