Home / 939,975.05-1,410,495.81-507,687.15

Finding the Fourth Proportional to 939,975.05, 1,410,495.81 and 507,687.15

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Solution

The fourth proportional to 939,975.05, 1,410,495.81 and 507,687.15 is: 761,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,975.05 : 1,410,495.81 = 507,687.15 : x
  2. Step 2: Convert to fraction form
    939,975.05/1,410,495.81 = 507,687.15/x
  3. Step 3: Cross multiply
    939,975.05x = 1,410,495.81 × 507,687.15
  4. Step 4: Simplify right side
    939,975.05x = 716,090,597,865.84
  5. Step 5: Solve for x
    x = 716,090,597,865.84/939,975.05
  6. Step 6: Final answer
    x = 761,818.73

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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.