Finding the Fourth Proportional to 739,707.66, 1,020,804.93 and 417,421.62
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Solution
The fourth proportional to 739,707.66, 1,020,804.93 and 417,421.62 is: 576,046.55
Step by Step Solution
- Step 1: Write the proportion equation
739,707.66 : 1,020,804.93 = 417,421.62 : x - Step 2: Convert to fraction form
739,707.66/1,020,804.93 = 417,421.62/x - Step 3: Cross multiply
739,707.66x = 1,020,804.93 × 417,421.62 - Step 4: Simplify right side
739,707.66x = 426,106,047,584.59 - Step 5: Solve for x
x = 426,106,047,584.59/739,707.66 - Step 6: Final answer
x = 576,046.55
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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.