Home / 988,855.76-1,483,282.92-357,622.40

Finding the Fourth Proportional to 988,855.76, 1,483,282.92 and 357,622.40

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Solution

The fourth proportional to 988,855.76, 1,483,282.92 and 357,622.40 is: 536,433.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,855.76 : 1,483,282.92 = 357,622.40 : x
  2. Step 2: Convert to fraction form
    988,855.76/1,483,282.92 = 357,622.40/x
  3. Step 3: Cross multiply
    988,855.76x = 1,483,282.92 × 357,622.40
  4. Step 4: Simplify right side
    988,855.76x = 530,455,197,729.41
  5. Step 5: Solve for x
    x = 530,455,197,729.41/988,855.76
  6. Step 6: Final answer
    x = 536,433.34

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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.