Home / 989,203.60-1,365,109.64-536,494.60

Finding the Fourth Proportional to 989,203.60, 1,365,109.64 and 536,494.60

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Solution

The fourth proportional to 989,203.60, 1,365,109.64 and 536,494.60 is: 740,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,203.60 : 1,365,109.64 = 536,494.60 : x
  2. Step 2: Convert to fraction form
    989,203.60/1,365,109.64 = 536,494.60/x
  3. Step 3: Cross multiply
    989,203.60x = 1,365,109.64 × 536,494.60
  4. Step 4: Simplify right side
    989,203.60x = 732,373,950,267.94
  5. Step 5: Solve for x
    x = 732,373,950,267.94/989,203.60
  6. Step 6: Final answer
    x = 740,367.25

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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.