Home / 738,549.10-1,108,168.10-289,153.41

Finding the Fourth Proportional to 738,549.10, 1,108,168.10 and 289,153.41

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Solution

The fourth proportional to 738,549.10, 1,108,168.10 and 289,153.41 is: 433,864.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,549.10 : 1,108,168.10 = 289,153.41 : x
  2. Step 2: Convert to fraction form
    738,549.10/1,108,168.10 = 289,153.41/x
  3. Step 3: Cross multiply
    738,549.10x = 1,108,168.10 × 289,153.41
  4. Step 4: Simplify right side
    738,549.10x = 320,430,584,968.22
  5. Step 5: Solve for x
    x = 320,430,584,968.22/738,549.10
  6. Step 6: Final answer
    x = 433,864.97

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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.