Finding the Fourth Proportional to 724,582.68, 999,877.82 and 402,292.68
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Solution
The fourth proportional to 724,582.68, 999,877.82 and 402,292.68 is: 555,138.20
Step by Step Solution
- Step 1: Write the proportion equation
724,582.68 : 999,877.82 = 402,292.68 : x - Step 2: Convert to fraction form
724,582.68/999,877.82 = 402,292.68/x - Step 3: Cross multiply
724,582.68x = 999,877.82 × 402,292.68 - Step 4: Simplify right side
724,582.68x = 402,243,527,880.36 - Step 5: Solve for x
x = 402,243,527,880.36/724,582.68 - Step 6: Final answer
x = 555,138.20
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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.