Home / 989,663.49-1,365,329.55-602,168.25

Finding the Fourth Proportional to 989,663.49, 1,365,329.55 and 602,168.25

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Solution

The fourth proportional to 989,663.49, 1,365,329.55 and 602,168.25 is: 830,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,663.49 : 1,365,329.55 = 602,168.25 : x
  2. Step 2: Convert to fraction form
    989,663.49/1,365,329.55 = 602,168.25/x
  3. Step 3: Cross multiply
    989,663.49x = 1,365,329.55 × 602,168.25
  4. Step 4: Simplify right side
    989,663.49x = 822,158,105,796.79
  5. Step 5: Solve for x
    x = 822,158,105,796.79/989,663.49
  6. Step 6: Final answer
    x = 830,745.11

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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.