Finding the Fourth Proportional to 986,309.72, 1,478,156.66 and 506,518.12
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Solution
The fourth proportional to 986,309.72, 1,478,156.66 and 506,518.12 is: 759,105.50
Step by Step Solution
- Step 1: Write the proportion equation
986,309.72 : 1,478,156.66 = 506,518.12 : x - Step 2: Convert to fraction form
986,309.72/1,478,156.66 = 506,518.12/x - Step 3: Cross multiply
986,309.72x = 1,478,156.66 × 506,518.12 - Step 4: Simplify right side
986,309.72x = 748,713,132,488.68 - Step 5: Solve for x
x = 748,713,132,488.68/986,309.72 - Step 6: Final answer
x = 759,105.50
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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.