Home / 909,024.80-1,363,537.20-310,661.60

Finding the Fourth Proportional to 909,024.80, 1,363,537.20 and 310,661.60

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Solution

The fourth proportional to 909,024.80, 1,363,537.20 and 310,661.60 is: 465,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,024.80 : 1,363,537.20 = 310,661.60 : x
  2. Step 2: Convert to fraction form
    909,024.80/1,363,537.20 = 310,661.60/x
  3. Step 3: Cross multiply
    909,024.80x = 1,363,537.20 × 310,661.60
  4. Step 4: Simplify right side
    909,024.80x = 423,598,648,211.52
  5. Step 5: Solve for x
    x = 423,598,648,211.52/909,024.80
  6. Step 6: Final answer
    x = 465,992.40

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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.