Finding the Fourth Proportional to 877,135.23, 1,210,446.27 and 474,727.23
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Solution
The fourth proportional to 877,135.23, 1,210,446.27 and 474,727.23 is: 655,123.39
Step by Step Solution
- Step 1: Write the proportion equation
877,135.23 : 1,210,446.27 = 474,727.23 : x - Step 2: Convert to fraction form
877,135.23/1,210,446.27 = 474,727.23/x - Step 3: Cross multiply
877,135.23x = 1,210,446.27 × 474,727.23 - Step 4: Simplify right side
877,135.23x = 574,631,804,820.93 - Step 5: Solve for x
x = 574,631,804,820.93/877,135.23 - Step 6: Final answer
x = 655,123.39
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1.5x scale
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.