Home / 985,155.94-1,359,511.42-549,572.94

Finding the Fourth Proportional to 985,155.94, 1,359,511.42 and 549,572.94

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Solution

The fourth proportional to 985,155.94, 1,359,511.42 and 549,572.94 is: 758,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,155.94 : 1,359,511.42 = 549,572.94 : x
  2. Step 2: Convert to fraction form
    985,155.94/1,359,511.42 = 549,572.94/x
  3. Step 3: Cross multiply
    985,155.94x = 1,359,511.42 × 549,572.94
  4. Step 4: Simplify right side
    985,155.94x = 747,150,680,378.08
  5. Step 5: Solve for x
    x = 747,150,680,378.08/985,155.94
  6. Step 6: Final answer
    x = 758,408.55

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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.