Home / 855,175.95-1,180,268.01-492,529.23

Finding the Fourth Proportional to 855,175.95, 1,180,268.01 and 492,529.23

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Solution

The fourth proportional to 855,175.95, 1,180,268.01 and 492,529.23 is: 679,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,175.95 : 1,180,268.01 = 492,529.23 : x
  2. Step 2: Convert to fraction form
    855,175.95/1,180,268.01 = 492,529.23/x
  3. Step 3: Cross multiply
    855,175.95x = 1,180,268.01 × 492,529.23
  4. Step 4: Simplify right side
    855,175.95x = 581,316,494,158.93
  5. Step 5: Solve for x
    x = 581,316,494,158.93/855,175.95
  6. Step 6: Final answer
    x = 679,762.44

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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.