Home / 847,688.34-1,169,826.45-465,729.54

Finding the Fourth Proportional to 847,688.34, 1,169,826.45 and 465,729.54

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Solution

The fourth proportional to 847,688.34, 1,169,826.45 and 465,729.54 is: 642,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,688.34 : 1,169,826.45 = 465,729.54 : x
  2. Step 2: Convert to fraction form
    847,688.34/1,169,826.45 = 465,729.54/x
  3. Step 3: Cross multiply
    847,688.34x = 1,169,826.45 × 465,729.54
  4. Step 4: Simplify right side
    847,688.34x = 544,822,734,438.33
  5. Step 5: Solve for x
    x = 544,822,734,438.33/847,688.34
  6. Step 6: Final answer
    x = 642,715.85

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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.