Finding the Fourth Proportional to 545,752.98, 817,118.01 and 278,938.98
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Solution
The fourth proportional to 545,752.98, 817,118.01 and 278,938.98 is: 417,635.95
Step by Step Solution
- Step 1: Write the proportion equation
545,752.98 : 817,118.01 = 278,938.98 : x - Step 2: Convert to fraction form
545,752.98/817,118.01 = 278,938.98/x - Step 3: Cross multiply
545,752.98x = 817,118.01 × 278,938.98 - Step 4: Simplify right side
545,752.98x = 227,926,064,249.03 - Step 5: Solve for x
x = 227,926,064,249.03/545,752.98 - Step 6: Final answer
x = 417,635.95
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1.5x scale
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.