Home / 739,176.89-1,108,885.29-289,654.08

Finding the Fourth Proportional to 739,176.89, 1,108,885.29 and 289,654.08

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Solution

The fourth proportional to 739,176.89, 1,108,885.29 and 289,654.08 is: 434,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,176.89 : 1,108,885.29 = 289,654.08 : x
  2. Step 2: Convert to fraction form
    739,176.89/1,108,885.29 = 289,654.08/x
  3. Step 3: Cross multiply
    739,176.89x = 1,108,885.29 × 289,654.08
  4. Step 4: Simplify right side
    739,176.89x = 321,193,144,885.27
  5. Step 5: Solve for x
    x = 321,193,144,885.27/739,176.89
  6. Step 6: Final answer
    x = 434,528.12

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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.