Finding the Fourth Proportional to 738,479.08, 1,018,553.70 and 470,293.48
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Solution
The fourth proportional to 738,479.08, 1,018,553.70 and 470,293.48 is: 648,656.38
Step by Step Solution
- Step 1: Write the proportion equation
738,479.08 : 1,018,553.70 = 470,293.48 : x - Step 2: Convert to fraction form
738,479.08/1,018,553.70 = 470,293.48/x - Step 3: Cross multiply
738,479.08x = 1,018,553.70 × 470,293.48 - Step 4: Simplify right side
738,479.08x = 479,019,164,139.88 - Step 5: Solve for x
x = 479,019,164,139.88/738,479.08 - Step 6: Final answer
x = 648,656.38
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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.