Finding the Fourth Proportional to 808,205.18, 1,115,484.80 and 464,277.04
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Solution
The fourth proportional to 808,205.18, 1,115,484.80 and 464,277.04 is: 640,795.17
Step by Step Solution
- Step 1: Write the proportion equation
808,205.18 : 1,115,484.80 = 464,277.04 : x - Step 2: Convert to fraction form
808,205.18/1,115,484.80 = 464,277.04/x - Step 3: Cross multiply
808,205.18x = 1,115,484.80 × 464,277.04 - Step 4: Simplify right side
808,205.18x = 517,893,975,998.90 - Step 5: Solve for x
x = 517,893,975,998.90/808,205.18 - Step 6: Final answer
x = 640,795.17
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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.