Home / 474,271.21-654,707.76-302,419.52

Finding the Fourth Proportional to 474,271.21, 654,707.76 and 302,419.52

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Solution

The fourth proportional to 474,271.21, 654,707.76 and 302,419.52 is: 417,475.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,271.21 : 654,707.76 = 302,419.52 : x
  2. Step 2: Convert to fraction form
    474,271.21/654,707.76 = 302,419.52/x
  3. Step 3: Cross multiply
    474,271.21x = 654,707.76 × 302,419.52
  4. Step 4: Simplify right side
    474,271.21x = 197,996,403,245.94
  5. Step 5: Solve for x
    x = 197,996,403,245.94/474,271.21
  6. Step 6: Final answer
    x = 417,475.07

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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.