Finding the Fourth Proportional to 706,128.63, 974,926.71 and 542,493.65
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Solution
The fourth proportional to 706,128.63, 974,926.71 and 542,493.65 is: 749,001.70
Step by Step Solution
- Step 1: Write the proportion equation
706,128.63 : 974,926.71 = 542,493.65 : x - Step 2: Convert to fraction form
706,128.63/974,926.71 = 542,493.65/x - Step 3: Cross multiply
706,128.63x = 974,926.71 × 542,493.65 - Step 4: Simplify right side
706,128.63x = 528,891,541,803.29 - Step 5: Solve for x
x = 528,891,541,803.29/706,128.63 - Step 6: Final answer
x = 749,001.70
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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.