Home / 921,229.04-1,382,032.20-388,750.16

Finding the Fourth Proportional to 921,229.04, 1,382,032.20 and 388,750.16

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Solution

The fourth proportional to 921,229.04, 1,382,032.20 and 388,750.16 is: 583,204.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,229.04 : 1,382,032.20 = 388,750.16 : x
  2. Step 2: Convert to fraction form
    921,229.04/1,382,032.20 = 388,750.16/x
  3. Step 3: Cross multiply
    921,229.04x = 1,382,032.20 × 388,750.16
  4. Step 4: Simplify right side
    921,229.04x = 537,265,238,875.15
  5. Step 5: Solve for x
    x = 537,265,238,875.15/921,229.04
  6. Step 6: Final answer
    x = 583,204.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.