Home / 858,826.40-1,185,326.21-496,460.32

Finding the Fourth Proportional to 858,826.40, 1,185,326.21 and 496,460.32

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Solution

The fourth proportional to 858,826.40, 1,185,326.21 and 496,460.32 is: 685,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,826.40 : 1,185,326.21 = 496,460.32 : x
  2. Step 2: Convert to fraction form
    858,826.40/1,185,326.21 = 496,460.32/x
  3. Step 3: Cross multiply
    858,826.40x = 1,185,326.21 × 496,460.32
  4. Step 4: Simplify right side
    858,826.40x = 588,467,424,075.37
  5. Step 5: Solve for x
    x = 588,467,424,075.37/858,826.40
  6. Step 6: Final answer
    x = 685,199.51

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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.