Finding the Fourth Proportional to 933,455.84, 1,398,135.37 and 771,698.48
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Solution
The fourth proportional to 933,455.84, 1,398,135.37 and 771,698.48 is: 1,155,854.29
Step by Step Solution
- Step 1: Write the proportion equation
933,455.84 : 1,398,135.37 = 771,698.48 : x - Step 2: Convert to fraction form
933,455.84/1,398,135.37 = 771,698.48/x - Step 3: Cross multiply
933,455.84x = 1,398,135.37 × 771,698.48 - Step 4: Simplify right side
933,455.84x = 1,078,938,939,863.24 - Step 5: Solve for x
x = 1,078,938,939,863.24/933,455.84 - Step 6: Final answer
x = 1,155,854.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.