Finding the Fourth Proportional to 765,655.74, 1,056,586.95 and 426,116.70
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Solution
The fourth proportional to 765,655.74, 1,056,586.95 and 426,116.70 is: 588,031.04
Step by Step Solution
- Step 1: Write the proportion equation
765,655.74 : 1,056,586.95 = 426,116.70 : x - Step 2: Convert to fraction form
765,655.74/1,056,586.95 = 426,116.70/x - Step 3: Cross multiply
765,655.74x = 1,056,586.95 × 426,116.70 - Step 4: Simplify right side
765,655.74x = 450,229,344,397.07 - Step 5: Solve for x
x = 450,229,344,397.07/765,655.74 - Step 6: Final answer
x = 588,031.04
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.