Finding the Fourth Proportional to 803,750.10, 1,207,007.55 and 778,866.90
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Solution
The fourth proportional to 803,750.10, 1,207,007.55 and 778,866.90 is: 1,169,639.95
Step by Step Solution
- Step 1: Write the proportion equation
803,750.10 : 1,207,007.55 = 778,866.90 : x - Step 2: Convert to fraction form
803,750.10/1,207,007.55 = 778,866.90/x - Step 3: Cross multiply
803,750.10x = 1,207,007.55 × 778,866.90 - Step 4: Simplify right side
803,750.10x = 940,098,228,745.10 - Step 5: Solve for x
x = 940,098,228,745.10/803,750.10 - Step 6: Final answer
x = 1,169,639.95
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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.