Finding the Fourth Proportional to 624,120.83, 861,278.35 and 348,482.96
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Solution
The fourth proportional to 624,120.83, 861,278.35 and 348,482.96 is: 480,901.80
Step by Step Solution
- Step 1: Write the proportion equation
624,120.83 : 861,278.35 = 348,482.96 : x - Step 2: Convert to fraction form
624,120.83/861,278.35 = 348,482.96/x - Step 3: Cross multiply
624,120.83x = 861,278.35 × 348,482.96 - Step 4: Simplify right side
624,120.83x = 300,140,827,497.52 - Step 5: Solve for x
x = 300,140,827,497.52/624,120.83 - Step 6: Final answer
x = 480,901.80
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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.