Finding the Fourth Proportional to 888,454.68, 1,332,659.88 and 415,669.02
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Solution
The fourth proportional to 888,454.68, 1,332,659.88 and 415,669.02 is: 623,493.17
Step by Step Solution
- Step 1: Write the proportion equation
888,454.68 : 1,332,659.88 = 415,669.02 : x - Step 2: Convert to fraction form
888,454.68/1,332,659.88 = 415,669.02/x - Step 3: Cross multiply
888,454.68x = 1,332,659.88 × 415,669.02 - Step 4: Simplify right side
888,454.68x = 553,945,426,312.92 - Step 5: Solve for x
x = 553,945,426,312.92/888,454.68 - Step 6: Final answer
x = 623,493.17
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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.