Finding the Fourth Proportional to 697,853.10, 963,246.12 and 407,542.98
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Solution
The fourth proportional to 697,853.10, 963,246.12 and 407,542.98 is: 562,531.28
Step by Step Solution
- Step 1: Write the proportion equation
697,853.10 : 963,246.12 = 407,542.98 : x - Step 2: Convert to fraction form
697,853.10/963,246.12 = 407,542.98/x - Step 3: Cross multiply
697,853.10x = 963,246.12 × 407,542.98 - Step 4: Simplify right side
697,853.10x = 392,564,194,218.24 - Step 5: Solve for x
x = 392,564,194,218.24/697,853.10 - Step 6: Final answer
x = 562,531.28
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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.