Home / 746,768.89-1,118,160.42-391,035.10

Finding the Fourth Proportional to 746,768.89, 1,118,160.42 and 391,035.10

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Solution

The fourth proportional to 746,768.89, 1,118,160.42 and 391,035.10 is: 585,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,768.89 : 1,118,160.42 = 391,035.10 : x
  2. Step 2: Convert to fraction form
    746,768.89/1,118,160.42 = 391,035.10/x
  3. Step 3: Cross multiply
    746,768.89x = 1,118,160.42 × 391,035.10
  4. Step 4: Simplify right side
    746,768.89x = 437,239,971,650.74
  5. Step 5: Solve for x
    x = 437,239,971,650.74/746,768.89
  6. Step 6: Final answer
    x = 585,509.09

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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.