Finding the Fourth Proportional to 807,356.16, 1,114,307.96 and 463,395.74
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Solution
The fourth proportional to 807,356.16, 1,114,307.96 and 463,395.74 is: 639,575.91
Step by Step Solution
- Step 1: Write the proportion equation
807,356.16 : 1,114,307.96 = 463,395.74 : x - Step 2: Convert to fraction form
807,356.16/1,114,307.96 = 463,395.74/x - Step 3: Cross multiply
807,356.16x = 1,114,307.96 × 463,395.74 - Step 4: Simplify right side
807,356.16x = 516,365,553,823.57 - Step 5: Solve for x
x = 516,365,553,823.57/807,356.16 - Step 6: Final answer
x = 639,575.91
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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.