Finding the Fourth Proportional to 648,023.70, 972,035.55 and 608,657.70
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Solution
The fourth proportional to 648,023.70, 972,035.55 and 608,657.70 is: 912,986.55
Step by Step Solution
- Step 1: Write the proportion equation
648,023.70 : 972,035.55 = 608,657.70 : x - Step 2: Convert to fraction form
648,023.70/972,035.55 = 608,657.70/x - Step 3: Cross multiply
648,023.70x = 972,035.55 × 608,657.70 - Step 4: Simplify right side
648,023.70x = 591,636,922,181.24 - Step 5: Solve for x
x = 591,636,922,181.24/648,023.70 - Step 6: Final answer
x = 912,986.55
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1.5x scale
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.