Finding the Fourth Proportional to 923,503.84, 1,387,357.98 and 668,124.36
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Solution
The fourth proportional to 923,503.84, 1,387,357.98 and 668,124.36 is: 1,003,707.43
Step by Step Solution
- Step 1: Write the proportion equation
923,503.84 : 1,387,357.98 = 668,124.36 : x - Step 2: Convert to fraction form
923,503.84/1,387,357.98 = 668,124.36/x - Step 3: Cross multiply
923,503.84x = 1,387,357.98 × 668,124.36 - Step 4: Simplify right side
923,503.84x = 926,927,662,478.39 - Step 5: Solve for x
x = 926,927,662,478.39/923,503.84 - Step 6: Final answer
x = 1,003,707.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.