Home / 880,887.69-1,215,725.87-493,807.67

Finding the Fourth Proportional to 880,887.69, 1,215,725.87 and 493,807.67

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Solution

The fourth proportional to 880,887.69, 1,215,725.87 and 493,807.67 is: 681,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,887.69 : 1,215,725.87 = 493,807.67 : x
  2. Step 2: Convert to fraction form
    880,887.69/1,215,725.87 = 493,807.67/x
  3. Step 3: Cross multiply
    880,887.69x = 1,215,725.87 × 493,807.67
  4. Step 4: Simplify right side
    880,887.69x = 600,334,750,675.76
  5. Step 5: Solve for x
    x = 600,334,750,675.76/880,887.69
  6. Step 6: Final answer
    x = 681,511.11

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1.5x scale

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.