Finding the Fourth Proportional to 730,488.32, 1,008,055.14 and 408,201.08
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Solution
The fourth proportional to 730,488.32, 1,008,055.14 and 408,201.08 is: 563,307.02
Step by Step Solution
- Step 1: Write the proportion equation
730,488.32 : 1,008,055.14 = 408,201.08 : x - Step 2: Convert to fraction form
730,488.32/1,008,055.14 = 408,201.08/x - Step 3: Cross multiply
730,488.32x = 1,008,055.14 × 408,201.08 - Step 4: Simplify right side
730,488.32x = 411,489,196,847.55 - Step 5: Solve for x
x = 411,489,196,847.55/730,488.32 - Step 6: Final answer
x = 563,307.02
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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.