Finding the Fourth Proportional to 781,125.47, 1,077,902.28 and 436,901.79
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Solution
The fourth proportional to 781,125.47, 1,077,902.28 and 436,901.79 is: 602,896.02
Step by Step Solution
- Step 1: Write the proportion equation
781,125.47 : 1,077,902.28 = 436,901.79 : x - Step 2: Convert to fraction form
781,125.47/1,077,902.28 = 436,901.79/x - Step 3: Cross multiply
781,125.47x = 1,077,902.28 × 436,901.79 - Step 4: Simplify right side
781,125.47x = 470,937,435,577.08 - Step 5: Solve for x
x = 470,937,435,577.08/781,125.47 - Step 6: Final answer
x = 602,896.02
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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.