Finding the Fourth Proportional to 708,536.58, 977,752.53 and 386,239.74
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Solution
The fourth proportional to 708,536.58, 977,752.53 and 386,239.74 is: 532,995.60
Step by Step Solution
- Step 1: Write the proportion equation
708,536.58 : 977,752.53 = 386,239.74 : x - Step 2: Convert to fraction form
708,536.58/977,752.53 = 386,239.74/x - Step 3: Cross multiply
708,536.58x = 977,752.53 × 386,239.74 - Step 4: Simplify right side
708,536.58x = 377,646,882,971.54 - Step 5: Solve for x
x = 377,646,882,971.54/708,536.58 - Step 6: Final answer
x = 532,995.60
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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.