Home / 909,108.80-1,363,533.60-310,097.60

Finding the Fourth Proportional to 909,108.80, 1,363,533.60 and 310,097.60

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Solution

The fourth proportional to 909,108.80, 1,363,533.60 and 310,097.60 is: 465,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,108.80 : 1,363,533.60 = 310,097.60 : x
  2. Step 2: Convert to fraction form
    909,108.80/1,363,533.60 = 310,097.60/x
  3. Step 3: Cross multiply
    909,108.80x = 1,363,533.60 × 310,097.60
  4. Step 4: Simplify right side
    909,108.80x = 422,828,496,879.36
  5. Step 5: Solve for x
    x = 422,828,496,879.36/909,108.80
  6. Step 6: Final answer
    x = 465,102.19

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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.