Home / 696,718.49-1,045,026.99-312,586.29

Finding the Fourth Proportional to 696,718.49, 1,045,026.99 and 312,586.29

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Solution

The fourth proportional to 696,718.49, 1,045,026.99 and 312,586.29 is: 468,856.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,718.49 : 1,045,026.99 = 312,586.29 : x
  2. Step 2: Convert to fraction form
    696,718.49/1,045,026.99 = 312,586.29/x
  3. Step 3: Cross multiply
    696,718.49x = 1,045,026.99 × 312,586.29
  4. Step 4: Simplify right side
    696,718.49x = 326,661,110,535.43
  5. Step 5: Solve for x
    x = 326,661,110,535.43/696,718.49
  6. Step 6: Final answer
    x = 468,856.67

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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.