Finding the Fourth Proportional to 885,028.92, 1,326,538.68 and 778,206.12
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Solution
The fourth proportional to 885,028.92, 1,326,538.68 and 778,206.12 is: 1,166,425.75
Step by Step Solution
- Step 1: Write the proportion equation
885,028.92 : 1,326,538.68 = 778,206.12 : x - Step 2: Convert to fraction form
885,028.92/1,326,538.68 = 778,206.12/x - Step 3: Cross multiply
885,028.92x = 1,326,538.68 × 778,206.12 - Step 4: Simplify right side
885,028.92x = 1,032,320,519,192.72 - Step 5: Solve for x
x = 1,032,320,519,192.72/885,028.92 - Step 6: Final answer
x = 1,166,425.75
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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.