Finding the Fourth Proportional to 788,506.95, 1,088,138.91 and 425,930.70
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Solution
The fourth proportional to 788,506.95, 1,088,138.91 and 425,930.70 is: 587,784.00
Step by Step Solution
- Step 1: Write the proportion equation
788,506.95 : 1,088,138.91 = 425,930.70 : x - Step 2: Convert to fraction form
788,506.95/1,088,138.91 = 425,930.70/x - Step 3: Cross multiply
788,506.95x = 1,088,138.91 × 425,930.70 - Step 4: Simplify right side
788,506.95x = 463,471,767,633.54 - Step 5: Solve for x
x = 463,471,767,633.54/788,506.95 - Step 6: Final answer
x = 587,784.00
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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.