Finding the Fourth Proportional to 697,472.97, 962,264.88 and 455,894.79
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Solution
The fourth proportional to 697,472.97, 962,264.88 and 455,894.79 is: 628,972.83
Step by Step Solution
- Step 1: Write the proportion equation
697,472.97 : 962,264.88 = 455,894.79 : x - Step 2: Convert to fraction form
697,472.97/962,264.88 = 455,894.79/x - Step 3: Cross multiply
697,472.97x = 962,264.88 × 455,894.79 - Step 4: Simplify right side
697,472.97x = 438,691,545,391.98 - Step 5: Solve for x
x = 438,691,545,391.98/697,472.97 - Step 6: Final answer
x = 628,972.83
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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.