Finding the Fourth Proportional to 723,978.44, 999,181.68 and 475,830.08
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Solution
The fourth proportional to 723,978.44, 999,181.68 and 475,830.08 is: 656,705.60
Step by Step Solution
- Step 1: Write the proportion equation
723,978.44 : 999,181.68 = 475,830.08 : x - Step 2: Convert to fraction form
723,978.44/999,181.68 = 475,830.08/x - Step 3: Cross multiply
723,978.44x = 999,181.68 × 475,830.08 - Step 4: Simplify right side
723,978.44x = 475,440,698,728.93 - Step 5: Solve for x
x = 475,440,698,728.93/723,978.44 - Step 6: Final answer
x = 656,705.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.