Finding the Fourth Proportional to 830,753.19, 1,146,437.96 and 448,778.79
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Solution
The fourth proportional to 830,753.19, 1,146,437.96 and 448,778.79 is: 619,313.95
Step by Step Solution
- Step 1: Write the proportion equation
830,753.19 : 1,146,437.96 = 448,778.79 : x - Step 2: Convert to fraction form
830,753.19/1,146,437.96 = 448,778.79/x - Step 3: Cross multiply
830,753.19x = 1,146,437.96 × 448,778.79 - Step 4: Simplify right side
830,753.19x = 514,497,038,254.98 - Step 5: Solve for x
x = 514,497,038,254.98/830,753.19 - Step 6: Final answer
x = 619,313.95
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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.