Finding the Fourth Proportional to 837,299.08, 1,155,464.58 and 455,329
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Solution
The fourth proportional to 837,299.08, 1,155,464.58 and 455,329 is: 628,349.59
Step by Step Solution
- Step 1: Write the proportion equation
837,299.08 : 1,155,464.58 = 455,329 : x - Step 2: Convert to fraction form
837,299.08/1,155,464.58 = 455,329/x - Step 3: Cross multiply
837,299.08x = 1,155,464.58 × 455,329 - Step 4: Simplify right side
837,299.08x = 526,116,531,746.82 - Step 5: Solve for x
x = 526,116,531,746.82/837,299.08 - Step 6: Final answer
x = 628,349.59
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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.