Home / 899,901.60-1,349,868.40-268,823.20

Finding the Fourth Proportional to 899,901.60, 1,349,868.40 and 268,823.20

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Solution

The fourth proportional to 899,901.60, 1,349,868.40 and 268,823.20 is: 403,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,901.60 : 1,349,868.40 = 268,823.20 : x
  2. Step 2: Convert to fraction form
    899,901.60/1,349,868.40 = 268,823.20/x
  3. Step 3: Cross multiply
    899,901.60x = 1,349,868.40 × 268,823.20
  4. Step 4: Simplify right side
    899,901.60x = 362,875,942,866.88
  5. Step 5: Solve for x
    x = 362,875,942,866.88/899,901.60
  6. Step 6: Final answer
    x = 403,239.58

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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.