Finding the Fourth Proportional to 840,292.84, 1,159,603.30 and 458,318.44
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Solution
The fourth proportional to 840,292.84, 1,159,603.30 and 458,318.44 is: 632,479.00
Step by Step Solution
- Step 1: Write the proportion equation
840,292.84 : 1,159,603.30 = 458,318.44 : x - Step 2: Convert to fraction form
840,292.84/1,159,603.30 = 458,318.44/x - Step 3: Cross multiply
840,292.84x = 1,159,603.30 × 458,318.44 - Step 4: Simplify right side
840,292.84x = 531,467,575,474.85 - Step 5: Solve for x
x = 531,467,575,474.85/840,292.84 - Step 6: Final answer
x = 632,479.00
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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.