Finding the Fourth Proportional to 651,772.80, 976,492.80 and 558,460.80
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Solution
The fourth proportional to 651,772.80, 976,492.80 and 558,460.80 is: 836,691.79
Step by Step Solution
- Step 1: Write the proportion equation
651,772.80 : 976,492.80 = 558,460.80 : x - Step 2: Convert to fraction form
651,772.80/976,492.80 = 558,460.80/x - Step 3: Cross multiply
651,772.80x = 976,492.80 × 558,460.80 - Step 4: Simplify right side
651,772.80x = 545,332,950,282.24 - Step 5: Solve for x
x = 545,332,950,282.24/651,772.80 - Step 6: Final answer
x = 836,691.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.