Home / 989,035.13-1,364,868.48-536,326.49

Finding the Fourth Proportional to 989,035.13, 1,364,868.48 and 536,326.49

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Solution

The fourth proportional to 989,035.13, 1,364,868.48 and 536,326.49 is: 740,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,035.13 : 1,364,868.48 = 536,326.49 : x
  2. Step 2: Convert to fraction form
    989,035.13/1,364,868.48 = 536,326.49/x
  3. Step 3: Cross multiply
    989,035.13x = 1,364,868.48 × 536,326.49
  4. Step 4: Simplify right side
    989,035.13x = 732,015,114,365.69
  5. Step 5: Solve for x
    x = 732,015,114,365.69/989,035.13
  6. Step 6: Final answer
    x = 740,130.55

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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.