Finding the Fourth Proportional to 753,920.58, 1,130,878.56 and 304,636.26
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Solution
The fourth proportional to 753,920.58, 1,130,878.56 and 304,636.26 is: 456,953.46
Step by Step Solution
- Step 1: Write the proportion equation
753,920.58 : 1,130,878.56 = 304,636.26 : x - Step 2: Convert to fraction form
753,920.58/1,130,878.56 = 304,636.26/x - Step 3: Cross multiply
753,920.58x = 1,130,878.56 × 304,636.26 - Step 4: Simplify right side
753,920.58x = 344,506,615,032.59 - Step 5: Solve for x
x = 344,506,615,032.59/753,920.58 - Step 6: Final answer
x = 456,953.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.