Home / 675,214.98-931,820.92-384,870.36

Finding the Fourth Proportional to 675,214.98, 931,820.92 and 384,870.36

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Solution

The fourth proportional to 675,214.98, 931,820.92 and 384,870.36 is: 531,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,214.98 : 931,820.92 = 384,870.36 : x
  2. Step 2: Convert to fraction form
    675,214.98/931,820.92 = 384,870.36/x
  3. Step 3: Cross multiply
    675,214.98x = 931,820.92 × 384,870.36
  4. Step 4: Simplify right side
    675,214.98x = 358,630,252,935.93
  5. Step 5: Solve for x
    x = 358,630,252,935.93/675,214.98
  6. Step 6: Final answer
    x = 531,134.92

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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.