Home / 631,568.16-947,500.02-431,982.54

Finding the Fourth Proportional to 631,568.16, 947,500.02 and 431,982.54

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Solution

The fourth proportional to 631,568.16, 947,500.02 and 431,982.54 is: 648,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,568.16 : 947,500.02 = 431,982.54 : x
  2. Step 2: Convert to fraction form
    631,568.16/947,500.02 = 431,982.54/x
  3. Step 3: Cross multiply
    631,568.16x = 947,500.02 × 431,982.54
  4. Step 4: Simplify right side
    631,568.16x = 409,303,465,289.65
  5. Step 5: Solve for x
    x = 409,303,465,289.65/631,568.16
  6. Step 6: Final answer
    x = 648,074.89

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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.