Finding the Fourth Proportional to 634,566.49, 875,560.07 and 376,312.19
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Solution
The fourth proportional to 634,566.49, 875,560.07 and 376,312.19 is: 519,226.80
Step by Step Solution
- Step 1: Write the proportion equation
634,566.49 : 875,560.07 = 376,312.19 : x - Step 2: Convert to fraction form
634,566.49/875,560.07 = 376,312.19/x - Step 3: Cross multiply
634,566.49x = 875,560.07 × 376,312.19 - Step 4: Simplify right side
634,566.49x = 329,483,923,981.23 - Step 5: Solve for x
x = 329,483,923,981.23/634,566.49 - Step 6: Final answer
x = 519,226.80
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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.