Home / 628,462.79-867,271.35-341,977.94

Finding the Fourth Proportional to 628,462.79, 867,271.35 and 341,977.94

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Solution

The fourth proportional to 628,462.79, 867,271.35 and 341,977.94 is: 471,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,462.79 : 867,271.35 = 341,977.94 : x
  2. Step 2: Convert to fraction form
    628,462.79/867,271.35 = 341,977.94/x
  3. Step 3: Cross multiply
    628,462.79x = 867,271.35 × 341,977.94
  4. Step 4: Simplify right side
    628,462.79x = 296,587,665,357.66
  5. Step 5: Solve for x
    x = 296,587,665,357.66/628,462.79
  6. Step 6: Final answer
    x = 471,925.58

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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.