Finding the Fourth Proportional to 963,996.93, 1,330,011.76 and 556,044.08
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Solution
The fourth proportional to 963,996.93, 1,330,011.76 and 556,044.08 is: 767,165.48
Step by Step Solution
- Step 1: Write the proportion equation
963,996.93 : 1,330,011.76 = 556,044.08 : x - Step 2: Convert to fraction form
963,996.93/1,330,011.76 = 556,044.08/x - Step 3: Cross multiply
963,996.93x = 1,330,011.76 × 556,044.08 - Step 4: Simplify right side
963,996.93x = 739,545,165,478.38 - Step 5: Solve for x
x = 739,545,165,478.38/963,996.93 - Step 6: Final answer
x = 767,165.48
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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.