Finding the Fourth Proportional to 709,602.12, 1,064,572.65 and 236,291.58
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Solution
The fourth proportional to 709,602.12, 1,064,572.65 and 236,291.58 is: 354,493.80
Step by Step Solution
- Step 1: Write the proportion equation
709,602.12 : 1,064,572.65 = 236,291.58 : x - Step 2: Convert to fraction form
709,602.12/1,064,572.65 = 236,291.58/x - Step 3: Cross multiply
709,602.12x = 1,064,572.65 × 236,291.58 - Step 4: Simplify right side
709,602.12x = 251,549,553,493.29 - Step 5: Solve for x
x = 251,549,553,493.29/709,602.12 - Step 6: Final answer
x = 354,493.80
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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.