Home / 761,354.21-1,050,654.92-451,465.28

Finding the Fourth Proportional to 761,354.21, 1,050,654.92 and 451,465.28

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Solution

The fourth proportional to 761,354.21, 1,050,654.92 and 451,465.28 is: 623,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,354.21 : 1,050,654.92 = 451,465.28 : x
  2. Step 2: Convert to fraction form
    761,354.21/1,050,654.92 = 451,465.28/x
  3. Step 3: Cross multiply
    761,354.21x = 1,050,654.92 × 451,465.28
  4. Step 4: Simplify right side
    761,354.21x = 474,334,213,516.57
  5. Step 5: Solve for x
    x = 474,334,213,516.57/761,354.21
  6. Step 6: Final answer
    x = 623,013.84

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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.