Home / 903,976.30-1,355,925.57-272,871.28

Finding the Fourth Proportional to 903,976.30, 1,355,925.57 and 272,871.28

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Solution

The fourth proportional to 903,976.30, 1,355,925.57 and 272,871.28 is: 409,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,976.30 : 1,355,925.57 = 272,871.28 : x
  2. Step 2: Convert to fraction form
    903,976.30/1,355,925.57 = 272,871.28/x
  3. Step 3: Cross multiply
    903,976.30x = 1,355,925.57 × 272,871.28
  4. Step 4: Simplify right side
    903,976.30x = 369,993,148,077.17
  5. Step 5: Solve for x
    x = 369,993,148,077.17/903,976.30
  6. Step 6: Final answer
    x = 409,295.19

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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.