Home / 738,268.04-1,107,494.46-288,930.89

Finding the Fourth Proportional to 738,268.04, 1,107,494.46 and 288,930.89

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Solution

The fourth proportional to 738,268.04, 1,107,494.46 and 288,930.89 is: 433,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,268.04 : 1,107,494.46 = 288,930.89 : x
  2. Step 2: Convert to fraction form
    738,268.04/1,107,494.46 = 288,930.89/x
  3. Step 3: Cross multiply
    738,268.04x = 1,107,494.46 × 288,930.89
  4. Step 4: Simplify right side
    738,268.04x = 319,989,354,460.40
  5. Step 5: Solve for x
    x = 319,989,354,460.40/738,268.04
  6. Step 6: Final answer
    x = 433,432.49

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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.