Finding the Fourth Proportional to 884,830.21, 1,221,030.53 and 522,370.83
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Solution
The fourth proportional to 884,830.21, 1,221,030.53 and 522,370.83 is: 720,850.99
Step by Step Solution
- Step 1: Write the proportion equation
884,830.21 : 1,221,030.53 = 522,370.83 : x - Step 2: Convert to fraction form
884,830.21/1,221,030.53 = 522,370.83/x - Step 3: Cross multiply
884,830.21x = 1,221,030.53 × 522,370.83 - Step 4: Simplify right side
884,830.21x = 637,830,731,411.44 - Step 5: Solve for x
x = 637,830,731,411.44/884,830.21 - Step 6: Final answer
x = 720,850.99
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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.