Finding the Fourth Proportional to 779,937.13, 1,169,130.66 and 542,781.58
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Solution
The fourth proportional to 779,937.13, 1,169,130.66 and 542,781.58 is: 813,633.00
Step by Step Solution
- Step 1: Write the proportion equation
779,937.13 : 1,169,130.66 = 542,781.58 : x - Step 2: Convert to fraction form
779,937.13/1,169,130.66 = 542,781.58/x - Step 3: Cross multiply
779,937.13x = 1,169,130.66 × 542,781.58 - Step 4: Simplify right side
779,937.13x = 634,582,586,861.24 - Step 5: Solve for x
x = 634,582,586,861.24/779,937.13 - Step 6: Final answer
x = 813,633.00
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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.