Home / 727,712.90-1,091,569.35-723,047.30

Finding the Fourth Proportional to 727,712.90, 1,091,569.35 and 723,047.30

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Solution

The fourth proportional to 727,712.90, 1,091,569.35 and 723,047.30 is: 1,084,570.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,712.90 : 1,091,569.35 = 723,047.30 : x
  2. Step 2: Convert to fraction form
    727,712.90/1,091,569.35 = 723,047.30/x
  3. Step 3: Cross multiply
    727,712.90x = 1,091,569.35 × 723,047.30
  4. Step 4: Simplify right side
    727,712.90x = 789,256,271,280.26
  5. Step 5: Solve for x
    x = 789,256,271,280.26/727,712.90
  6. Step 6: Final answer
    x = 1,084,570.95

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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.