Finding the Fourth Proportional to 559,343.06, 838,363.65 and 319,624.98
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Solution
The fourth proportional to 559,343.06, 838,363.65 and 319,624.98 is: 479,065.50
Step by Step Solution
- Step 1: Write the proportion equation
559,343.06 : 838,363.65 = 319,624.98 : x - Step 2: Convert to fraction form
559,343.06/838,363.65 = 319,624.98/x - Step 3: Cross multiply
559,343.06x = 838,363.65 × 319,624.98 - Step 4: Simplify right side
559,343.06x = 267,961,964,863.98 - Step 5: Solve for x
x = 267,961,964,863.98/559,343.06 - Step 6: Final answer
x = 479,065.50
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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.