Finding the Fourth Proportional to 983,875.74, 1,475,813.88 and 759,563.62
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Solution
The fourth proportional to 983,875.74, 1,475,813.88 and 759,563.62 is: 1,139,345.64
Step by Step Solution
- Step 1: Write the proportion equation
983,875.74 : 1,475,813.88 = 759,563.62 : x - Step 2: Convert to fraction form
983,875.74/1,475,813.88 = 759,563.62/x - Step 3: Cross multiply
983,875.74x = 1,475,813.88 × 759,563.62 - Step 4: Simplify right side
983,875.74x = 1,120,974,533,139.05 - Step 5: Solve for x
x = 1,120,974,533,139.05/983,875.74 - Step 6: Final answer
x = 1,139,345.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.