Home / 857,755.35-1,183,703.55-475,782.12

Finding the Fourth Proportional to 857,755.35, 1,183,703.55 and 475,782.12

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Solution

The fourth proportional to 857,755.35, 1,183,703.55 and 475,782.12 is: 656,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,755.35 : 1,183,703.55 = 475,782.12 : x
  2. Step 2: Convert to fraction form
    857,755.35/1,183,703.55 = 475,782.12/x
  3. Step 3: Cross multiply
    857,755.35x = 1,183,703.55 × 475,782.12
  4. Step 4: Simplify right side
    857,755.35x = 563,184,984,470.53
  5. Step 5: Solve for x
    x = 563,184,984,470.53/857,755.35
  6. Step 6: Final answer
    x = 656,579.97

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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.