Home / 989,032.13-1,364,864.33-536,323.49

Finding the Fourth Proportional to 989,032.13, 1,364,864.33 and 536,323.49

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Solution

The fourth proportional to 989,032.13, 1,364,864.33 and 536,323.49 is: 740,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,032.13 : 1,364,864.33 = 536,323.49 : x
  2. Step 2: Convert to fraction form
    989,032.13/1,364,864.33 = 536,323.49/x
  3. Step 3: Cross multiply
    989,032.13x = 1,364,864.33 × 536,323.49
  4. Step 4: Simplify right side
    989,032.13x = 732,008,795,358.60
  5. Step 5: Solve for x
    x = 732,008,795,358.60/989,032.13
  6. Step 6: Final answer
    x = 740,126.41

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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.