Finding the Fourth Proportional to 702,543.60, 1,053,813.84 and 542,851.74
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Solution
The fourth proportional to 702,543.60, 1,053,813.84 and 542,851.74 is: 814,276.40
Step by Step Solution
- Step 1: Write the proportion equation
702,543.60 : 1,053,813.84 = 542,851.74 : x - Step 2: Convert to fraction form
702,543.60/1,053,813.84 = 542,851.74/x - Step 3: Cross multiply
702,543.60x = 1,053,813.84 × 542,851.74 - Step 4: Simplify right side
702,543.60x = 572,064,676,680.08 - Step 5: Solve for x
x = 572,064,676,680.08/702,543.60 - Step 6: Final answer
x = 814,276.40
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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.