Home / 768,343.50-1,151,918.36-497,900.34

Finding the Fourth Proportional to 768,343.50, 1,151,918.36 and 497,900.34

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Solution

The fourth proportional to 768,343.50, 1,151,918.36 and 497,900.34 is: 746,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,343.50 : 1,151,918.36 = 497,900.34 : x
  2. Step 2: Convert to fraction form
    768,343.50/1,151,918.36 = 497,900.34/x
  3. Step 3: Cross multiply
    768,343.50x = 1,151,918.36 × 497,900.34
  4. Step 4: Simplify right side
    768,343.50x = 573,540,543,096.24
  5. Step 5: Solve for x
    x = 573,540,543,096.24/768,343.50
  6. Step 6: Final answer
    x = 746,463.71

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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.