Home / 848,763.13-1,273,705.54-399,612.45

Finding the Fourth Proportional to 848,763.13, 1,273,705.54 and 399,612.45

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Solution

The fourth proportional to 848,763.13, 1,273,705.54 and 399,612.45 is: 599,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,763.13 : 1,273,705.54 = 399,612.45 : x
  2. Step 2: Convert to fraction form
    848,763.13/1,273,705.54 = 399,612.45/x
  3. Step 3: Cross multiply
    848,763.13x = 1,273,705.54 × 399,612.45
  4. Step 4: Simplify right side
    848,763.13x = 508,988,590,278.56
  5. Step 5: Solve for x
    x = 508,988,590,278.56/848,763.13
  6. Step 6: Final answer
    x = 599,682.73

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1.5x scale

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.