Finding the Fourth Proportional to 539,110.20, 808,665.30 and 497,119.80
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Solution
The fourth proportional to 539,110.20, 808,665.30 and 497,119.80 is: 745,679.70
Step by Step Solution
- Step 1: Write the proportion equation
539,110.20 : 808,665.30 = 497,119.80 : x - Step 2: Convert to fraction form
539,110.20/808,665.30 = 497,119.80/x - Step 3: Cross multiply
539,110.20x = 808,665.30 × 497,119.80 - Step 4: Simplify right side
539,110.20x = 402,003,532,202.94 - Step 5: Solve for x
x = 402,003,532,202.94/539,110.20 - Step 6: Final answer
x = 745,679.70
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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.