Finding the Fourth Proportional to 917,730.08, 1,376,622.28 and 438,008.44
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Solution
The fourth proportional to 917,730.08, 1,376,622.28 and 438,008.44 is: 657,025.62
Step by Step Solution
- Step 1: Write the proportion equation
917,730.08 : 1,376,622.28 = 438,008.44 : x - Step 2: Convert to fraction form
917,730.08/1,376,622.28 = 438,008.44/x - Step 3: Cross multiply
917,730.08x = 1,376,622.28 × 438,008.44 - Step 4: Simplify right side
917,730.08x = 602,972,177,332.04 - Step 5: Solve for x
x = 602,972,177,332.04/917,730.08 - Step 6: Final answer
x = 657,025.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.