Finding the Fourth Proportional to 856,722.16, 1,182,307.08 and 517,124.08
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Solution
The fourth proportional to 856,722.16, 1,182,307.08 and 517,124.08 is: 713,649.64
Step by Step Solution
- Step 1: Write the proportion equation
856,722.16 : 1,182,307.08 = 517,124.08 : x - Step 2: Convert to fraction form
856,722.16/1,182,307.08 = 517,124.08/x - Step 3: Cross multiply
856,722.16x = 1,182,307.08 × 517,124.08 - Step 4: Simplify right side
856,722.16x = 611,399,461,022.49 - Step 5: Solve for x
x = 611,399,461,022.49/856,722.16 - Step 6: Final answer
x = 713,649.64
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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.