Home / 738,548.10-1,108,166.60-289,152.41

Finding the Fourth Proportional to 738,548.10, 1,108,166.60 and 289,152.41

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Solution

The fourth proportional to 738,548.10, 1,108,166.60 and 289,152.41 is: 433,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,548.10 : 1,108,166.60 = 289,152.41 : x
  2. Step 2: Convert to fraction form
    738,548.10/1,108,166.60 = 289,152.41/x
  3. Step 3: Cross multiply
    738,548.10x = 1,108,166.60 × 289,152.41
  4. Step 4: Simplify right side
    738,548.10x = 320,429,038,253.55
  5. Step 5: Solve for x
    x = 320,429,038,253.55/738,548.10
  6. Step 6: Final answer
    x = 433,863.47

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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.