Home / 989,459.39-1,365,456.58-536,750.39

Finding the Fourth Proportional to 989,459.39, 1,365,456.58 and 536,750.39

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Solution

The fourth proportional to 989,459.39, 1,365,456.58 and 536,750.39 is: 740,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,459.39 : 1,365,456.58 = 536,750.39 : x
  2. Step 2: Convert to fraction form
    989,459.39/1,365,456.58 = 536,750.39/x
  3. Step 3: Cross multiply
    989,459.39x = 1,365,456.58 × 536,750.39
  4. Step 4: Simplify right side
    989,459.39x = 732,909,351,843.07
  5. Step 5: Solve for x
    x = 732,909,351,843.07/989,459.39
  6. Step 6: Final answer
    x = 740,716.96

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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.