Home / 658,826.21-909,142.43-364,458.35

Finding the Fourth Proportional to 658,826.21, 909,142.43 and 364,458.35

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Solution

The fourth proportional to 658,826.21, 909,142.43 and 364,458.35 is: 502,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,826.21 : 909,142.43 = 364,458.35 : x
  2. Step 2: Convert to fraction form
    658,826.21/909,142.43 = 364,458.35/x
  3. Step 3: Cross multiply
    658,826.21x = 909,142.43 × 364,458.35
  4. Step 4: Simplify right side
    658,826.21x = 331,344,550,403.36
  5. Step 5: Solve for x
    x = 331,344,550,403.36/658,826.21
  6. Step 6: Final answer
    x = 502,931.64

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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.