Home / 989,032.25-1,364,864.51-536,323.61

Finding the Fourth Proportional to 989,032.25, 1,364,864.51 and 536,323.61

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Solution

The fourth proportional to 989,032.25, 1,364,864.51 and 536,323.61 is: 740,126.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,032.25 : 1,364,864.51 = 536,323.61 : x
  2. Step 2: Convert to fraction form
    989,032.25/1,364,864.51 = 536,323.61/x
  3. Step 3: Cross multiply
    989,032.25x = 1,364,864.51 × 536,323.61
  4. Step 4: Simplify right side
    989,032.25x = 732,009,061,164.08
  5. Step 5: Solve for x
    x = 732,009,061,164.08/989,032.25
  6. Step 6: Final answer
    x = 740,126.58

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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.