Finding the Fourth Proportional to 969,173.19, 1,337,459.04 and 539,444.07
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Solution
The fourth proportional to 969,173.19, 1,337,459.04 and 539,444.07 is: 744,432.84
Step by Step Solution
- Step 1: Write the proportion equation
969,173.19 : 1,337,459.04 = 539,444.07 : x - Step 2: Convert to fraction form
969,173.19/1,337,459.04 = 539,444.07/x - Step 3: Cross multiply
969,173.19x = 1,337,459.04 × 539,444.07 - Step 4: Simplify right side
969,173.19x = 721,484,347,995.89 - Step 5: Solve for x
x = 721,484,347,995.89/969,173.19 - Step 6: Final answer
x = 744,432.84
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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.