Finding the Fourth Proportional to 779,822.91, 1,167,072.84 and 653,605.74
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Solution
The fourth proportional to 779,822.91, 1,167,072.84 and 653,605.74 is: 978,177.86
Step by Step Solution
- Step 1: Write the proportion equation
779,822.91 : 1,167,072.84 = 653,605.74 : x - Step 2: Convert to fraction form
779,822.91/1,167,072.84 = 653,605.74/x - Step 3: Cross multiply
779,822.91x = 1,167,072.84 × 653,605.74 - Step 4: Simplify right side
779,822.91x = 762,805,507,222.10 - Step 5: Solve for x
x = 762,805,507,222.10/779,822.91 - Step 6: Final answer
x = 978,177.86
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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.