Home / 816,735.18-1,127,095.47-454,151.25

Finding the Fourth Proportional to 816,735.18, 1,127,095.47 and 454,151.25

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Solution

The fourth proportional to 816,735.18, 1,127,095.47 and 454,151.25 is: 626,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,735.18 : 1,127,095.47 = 454,151.25 : x
  2. Step 2: Convert to fraction form
    816,735.18/1,127,095.47 = 454,151.25/x
  3. Step 3: Cross multiply
    816,735.18x = 1,127,095.47 × 454,151.25
  4. Step 4: Simplify right side
    816,735.18x = 511,871,816,569.84
  5. Step 5: Solve for x
    x = 511,871,816,569.84/816,735.18
  6. Step 6: Final answer
    x = 626,729.24

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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.