Home / 988,854.94-1,483,340.33-381,646.54

Finding the Fourth Proportional to 988,854.94, 1,483,340.33 and 381,646.54

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Solution

The fourth proportional to 988,854.94, 1,483,340.33 and 381,646.54 is: 572,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,854.94 : 1,483,340.33 = 381,646.54 : x
  2. Step 2: Convert to fraction form
    988,854.94/1,483,340.33 = 381,646.54/x
  3. Step 3: Cross multiply
    988,854.94x = 1,483,340.33 × 381,646.54
  4. Step 4: Simplify right side
    988,854.94x = 566,111,704,586.96
  5. Step 5: Solve for x
    x = 566,111,704,586.96/988,854.94
  6. Step 6: Final answer
    x = 572,492.16

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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.