Home / 499,150.02-688,968.34-295,271.81

Finding the Fourth Proportional to 499,150.02, 688,968.34 and 295,271.81

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Solution

The fourth proportional to 499,150.02, 688,968.34 and 295,271.81 is: 407,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,150.02 : 688,968.34 = 295,271.81 : x
  2. Step 2: Convert to fraction form
    499,150.02/688,968.34 = 295,271.81/x
  3. Step 3: Cross multiply
    499,150.02x = 688,968.34 × 295,271.81
  4. Step 4: Simplify right side
    499,150.02x = 203,432,930,359.86
  5. Step 5: Solve for x
    x = 203,432,930,359.86/499,150.02
  6. Step 6: Final answer
    x = 407,558.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.