Finding the Fourth Proportional to 969,259.68, 1,337,560.08 and 539,536.80
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Solution
The fourth proportional to 969,259.68, 1,337,560.08 and 539,536.80 is: 744,550.61
Step by Step Solution
- Step 1: Write the proportion equation
969,259.68 : 1,337,560.08 = 539,536.80 : x - Step 2: Convert to fraction form
969,259.68/1,337,560.08 = 539,536.80/x - Step 3: Cross multiply
969,259.68x = 1,337,560.08 × 539,536.80 - Step 4: Simplify right side
969,259.68x = 721,662,885,370.94 - Step 5: Solve for x
x = 721,662,885,370.94/969,259.68 - Step 6: Final answer
x = 744,550.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.