Finding the Fourth Proportional to 907,686.05, 1,252,637.80 and 499,816.01
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Solution
The fourth proportional to 907,686.05, 1,252,637.80 and 499,816.01 is: 689,763.20
Step by Step Solution
- Step 1: Write the proportion equation
907,686.05 : 1,252,637.80 = 499,816.01 : x - Step 2: Convert to fraction form
907,686.05/1,252,637.80 = 499,816.01/x - Step 3: Cross multiply
907,686.05x = 1,252,637.80 × 499,816.01 - Step 4: Simplify right side
907,686.05x = 626,088,429,053.23 - Step 5: Solve for x
x = 626,088,429,053.23/907,686.05 - Step 6: Final answer
x = 689,763.20
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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.