Home / 864,627.41-1,296,988.43-359,239.50

Finding the Fourth Proportional to 864,627.41, 1,296,988.43 and 359,239.50

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Solution

The fourth proportional to 864,627.41, 1,296,988.43 and 359,239.50 is: 538,878.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,627.41 : 1,296,988.43 = 359,239.50 : x
  2. Step 2: Convert to fraction form
    864,627.41/1,296,988.43 = 359,239.50/x
  3. Step 3: Cross multiply
    864,627.41x = 1,296,988.43 × 359,239.50
  4. Step 4: Simplify right side
    864,627.41x = 465,929,473,302.79
  5. Step 5: Solve for x
    x = 465,929,473,302.79/864,627.41
  6. Step 6: Final answer
    x = 538,878.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.