Finding the Fourth Proportional to 778,727.52, 1,166,302.80 and 494,398.08
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Solution
The fourth proportional to 778,727.52, 1,166,302.80 and 494,398.08 is: 740,461.65
Step by Step Solution
- Step 1: Write the proportion equation
778,727.52 : 1,166,302.80 = 494,398.08 : x - Step 2: Convert to fraction form
778,727.52/1,166,302.80 = 494,398.08/x - Step 3: Cross multiply
778,727.52x = 1,166,302.80 × 494,398.08 - Step 4: Simplify right side
778,727.52x = 576,617,865,018.62 - Step 5: Solve for x
x = 576,617,865,018.62/778,727.52 - Step 6: Final answer
x = 740,461.65
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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.