Finding the Fourth Proportional to 894,777.74, 1,234,774.95 and 486,887.66
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Solution
The fourth proportional to 894,777.74, 1,234,774.95 and 486,887.66 is: 671,894.99
Step by Step Solution
- Step 1: Write the proportion equation
894,777.74 : 1,234,774.95 = 486,887.66 : x - Step 2: Convert to fraction form
894,777.74/1,234,774.95 = 486,887.66/x - Step 3: Cross multiply
894,777.74x = 1,234,774.95 × 486,887.66 - Step 4: Simplify right side
894,777.74x = 601,196,679,858.24 - Step 5: Solve for x
x = 601,196,679,858.24/894,777.74 - Step 6: Final answer
x = 671,894.99
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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.