Finding the Fourth Proportional to 778,961.62, 1,168,804.10 and 299,029.74
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Solution
The fourth proportional to 778,961.62, 1,168,804.10 and 299,029.74 is: 448,683.45
Step by Step Solution
- Step 1: Write the proportion equation
778,961.62 : 1,168,804.10 = 299,029.74 : x - Step 2: Convert to fraction form
778,961.62/1,168,804.10 = 299,029.74/x - Step 3: Cross multiply
778,961.62x = 1,168,804.10 × 299,029.74 - Step 4: Simplify right side
778,961.62x = 349,507,186,133.93 - Step 5: Solve for x
x = 349,507,186,133.93/778,961.62 - Step 6: Final answer
x = 448,683.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.