Home / 847,640.70-1,169,765.82-465,677.10

Finding the Fourth Proportional to 847,640.70, 1,169,765.82 and 465,677.10

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Solution

The fourth proportional to 847,640.70, 1,169,765.82 and 465,677.10 is: 642,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,640.70 : 1,169,765.82 = 465,677.10 : x
  2. Step 2: Convert to fraction form
    847,640.70/1,169,765.82 = 465,677.10/x
  3. Step 3: Cross multiply
    847,640.70x = 1,169,765.82 × 465,677.10
  4. Step 4: Simplify right side
    847,640.70x = 544,733,154,736.72
  5. Step 5: Solve for x
    x = 544,733,154,736.72/847,640.70
  6. Step 6: Final answer
    x = 642,646.29

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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.