Finding the Fourth Proportional to 916,929.80, 1,374,228.30 and 442,593.80
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Solution
The fourth proportional to 916,929.80, 1,374,228.30 and 442,593.80 is: 663,327.69
Step by Step Solution
- Step 1: Write the proportion equation
916,929.80 : 1,374,228.30 = 442,593.80 : x - Step 2: Convert to fraction form
916,929.80/1,374,228.30 = 442,593.80/x - Step 3: Cross multiply
916,929.80x = 1,374,228.30 × 442,593.80 - Step 4: Simplify right side
916,929.80x = 608,224,925,364.54 - Step 5: Solve for x
x = 608,224,925,364.54/916,929.80 - Step 6: Final answer
x = 663,327.69
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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.