Finding the Fourth Proportional to 808,438.92, 1,115,632.62 and 464,282.08
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Solution
The fourth proportional to 808,438.92, 1,115,632.62 and 464,282.08 is: 640,701.75
Step by Step Solution
- Step 1: Write the proportion equation
808,438.92 : 1,115,632.62 = 464,282.08 : x - Step 2: Convert to fraction form
808,438.92/1,115,632.62 = 464,282.08/x - Step 3: Cross multiply
808,438.92x = 1,115,632.62 × 464,282.08 - Step 4: Simplify right side
808,438.92x = 517,968,233,329.45 - Step 5: Solve for x
x = 517,968,233,329.45/808,438.92 - Step 6: Final answer
x = 640,701.75
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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.