Finding the Fourth Proportional to 702,521.88, 969,503.80 and 430,537.33
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Solution
The fourth proportional to 702,521.88, 969,503.80 and 430,537.33 is: 594,155.99
Step by Step Solution
- Step 1: Write the proportion equation
702,521.88 : 969,503.80 = 430,537.33 : x - Step 2: Convert to fraction form
702,521.88/969,503.80 = 430,537.33/x - Step 3: Cross multiply
702,521.88x = 969,503.80 × 430,537.33 - Step 4: Simplify right side
702,521.88x = 417,407,580,009.49 - Step 5: Solve for x
x = 417,407,580,009.49/702,521.88 - Step 6: Final answer
x = 594,155.99
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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.