Finding the Fourth Proportional to 633,406.58, 874,118.07 and 357,742.32
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Solution
The fourth proportional to 633,406.58, 874,118.07 and 357,742.32 is: 493,693.99
Step by Step Solution
- Step 1: Write the proportion equation
633,406.58 : 874,118.07 = 357,742.32 : x - Step 2: Convert to fraction form
633,406.58/874,118.07 = 357,742.32/x - Step 3: Cross multiply
633,406.58x = 874,118.07 × 357,742.32 - Step 4: Simplify right side
633,406.58x = 312,709,020,156.42 - Step 5: Solve for x
x = 312,709,020,156.42/633,406.58 - Step 6: Final answer
x = 493,693.99
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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.