Finding the Fourth Proportional to 870,260.30, 1,306,345.12 and 691,494.92
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Solution
The fourth proportional to 870,260.30, 1,306,345.12 and 691,494.92 is: 1,038,000.95
Step by Step Solution
- Step 1: Write the proportion equation
870,260.30 : 1,306,345.12 = 691,494.92 : x - Step 2: Convert to fraction form
870,260.30/1,306,345.12 = 691,494.92/x - Step 3: Cross multiply
870,260.30x = 1,306,345.12 × 691,494.92 - Step 4: Simplify right side
870,260.30x = 903,331,014,246.79 - Step 5: Solve for x
x = 903,331,014,246.79/870,260.30 - Step 6: Final answer
x = 1,038,000.95
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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.