Finding the Fourth Proportional to 906,773.79, 1,251,684.68 and 778,936.35
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Solution
The fourth proportional to 906,773.79, 1,251,684.68 and 778,936.35 is: 1,075,221.52
Step by Step Solution
- Step 1: Write the proportion equation
906,773.79 : 1,251,684.68 = 778,936.35 : x - Step 2: Convert to fraction form
906,773.79/1,251,684.68 = 778,936.35/x - Step 3: Cross multiply
906,773.79x = 1,251,684.68 × 778,936.35 - Step 4: Simplify right side
906,773.79x = 974,982,692,095.44 - Step 5: Solve for x
x = 974,982,692,095.44/906,773.79 - Step 6: Final answer
x = 1,075,221.52
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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.