Finding the Fourth Proportional to 830,374.41, 1,145,920.19 and 467,802.62
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Solution
The fourth proportional to 830,374.41, 1,145,920.19 and 467,802.62 is: 645,569.58
Step by Step Solution
- Step 1: Write the proportion equation
830,374.41 : 1,145,920.19 = 467,802.62 : x - Step 2: Convert to fraction form
830,374.41/1,145,920.19 = 467,802.62/x - Step 3: Cross multiply
830,374.41x = 1,145,920.19 × 467,802.62 - Step 4: Simplify right side
830,374.41x = 536,064,459,124.28 - Step 5: Solve for x
x = 536,064,459,124.28/830,374.41 - Step 6: Final answer
x = 645,569.58
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1.5x scale
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.