Finding the Fourth Proportional to 999,127.23, 1,378,830.63 and 569,337.99
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Solution
The fourth proportional to 999,127.23, 1,378,830.63 and 569,337.99 is: 785,706.40
Step by Step Solution
- Step 1: Write the proportion equation
999,127.23 : 1,378,830.63 = 569,337.99 : x - Step 2: Convert to fraction form
999,127.23/1,378,830.63 = 569,337.99/x - Step 3: Cross multiply
999,127.23x = 1,378,830.63 × 569,337.99 - Step 4: Simplify right side
999,127.23x = 785,020,659,434.63 - Step 5: Solve for x
x = 785,020,659,434.63/999,127.23 - Step 6: Final answer
x = 785,706.40
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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.