Finding the Fourth Proportional to 473,679.36, 653,777.28 and 458,691.84
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Solution
The fourth proportional to 473,679.36, 653,777.28 and 458,691.84 is: 633,091.35
Step by Step Solution
- Step 1: Write the proportion equation
473,679.36 : 653,777.28 = 458,691.84 : x - Step 2: Convert to fraction form
473,679.36/653,777.28 = 458,691.84/x - Step 3: Cross multiply
473,679.36x = 653,777.28 × 458,691.84 - Step 4: Simplify right side
473,679.36x = 299,882,303,513.40 - Step 5: Solve for x
x = 299,882,303,513.40/473,679.36 - Step 6: Final answer
x = 633,091.35
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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.