Finding the Fourth Proportional to 986,740.76, 1,480,701.62 and 425,775.26
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Solution
The fourth proportional to 986,740.76, 1,480,701.62 and 425,775.26 is: 638,917.68
Step by Step Solution
- Step 1: Write the proportion equation
986,740.76 : 1,480,701.62 = 425,775.26 : x - Step 2: Convert to fraction form
986,740.76/1,480,701.62 = 425,775.26/x - Step 3: Cross multiply
986,740.76x = 1,480,701.62 × 425,775.26 - Step 4: Simplify right side
986,740.76x = 630,446,117,237.92 - Step 5: Solve for x
x = 630,446,117,237.92/986,740.76 - Step 6: Final answer
x = 638,917.68
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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.