Finding the Fourth Proportional to 624,811.98, 862,244.67 and 338,332.05
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Solution
The fourth proportional to 624,811.98, 862,244.67 and 338,332.05 is: 466,900.47
Step by Step Solution
- Step 1: Write the proportion equation
624,811.98 : 862,244.67 = 338,332.05 : x - Step 2: Convert to fraction form
624,811.98/862,244.67 = 338,332.05/x - Step 3: Cross multiply
624,811.98x = 862,244.67 × 338,332.05 - Step 4: Simplify right side
624,811.98x = 291,725,006,802.67 - Step 5: Solve for x
x = 291,725,006,802.67/624,811.98 - Step 6: Final answer
x = 466,900.47
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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.