Finding the Fourth Proportional to 778,830.66, 1,075,272.87 and 597,193.62
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Solution
The fourth proportional to 778,830.66, 1,075,272.87 and 597,193.62 is: 824,500.28
Step by Step Solution
- Step 1: Write the proportion equation
778,830.66 : 1,075,272.87 = 597,193.62 : x - Step 2: Convert to fraction form
778,830.66/1,075,272.87 = 597,193.62/x - Step 3: Cross multiply
778,830.66x = 1,075,272.87 × 597,193.62 - Step 4: Simplify right side
778,830.66x = 642,146,097,723.09 - Step 5: Solve for x
x = 642,146,097,723.09/778,830.66 - Step 6: Final answer
x = 824,500.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.