Finding the Fourth Proportional to 746,106.30, 1,119,159.45 and 613,136.70
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Solution
The fourth proportional to 746,106.30, 1,119,159.45 and 613,136.70 is: 919,705.05
Step by Step Solution
- Step 1: Write the proportion equation
746,106.30 : 1,119,159.45 = 613,136.70 : x - Step 2: Convert to fraction form
746,106.30/1,119,159.45 = 613,136.70/x - Step 3: Cross multiply
746,106.30x = 1,119,159.45 × 613,136.70 - Step 4: Simplify right side
746,106.30x = 686,197,731,946.82 - Step 5: Solve for x
x = 686,197,731,946.82/746,106.30 - Step 6: Final answer
x = 919,705.05
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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.