Finding the Fourth Proportional to 783,476.30, 1,175,319.08 and 310,051.02
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Solution
The fourth proportional to 783,476.30, 1,175,319.08 and 310,051.02 is: 465,117.94
Step by Step Solution
- Step 1: Write the proportion equation
783,476.30 : 1,175,319.08 = 310,051.02 : x - Step 2: Convert to fraction form
783,476.30/1,175,319.08 = 310,051.02/x - Step 3: Cross multiply
783,476.30x = 1,175,319.08 × 310,051.02 - Step 4: Simplify right side
783,476.30x = 364,408,879,579.46 - Step 5: Solve for x
x = 364,408,879,579.46/783,476.30 - Step 6: Final answer
x = 465,117.94
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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.