Finding the Fourth Proportional to 498,564.99, 687,995.78 and 283,684.95
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Solution
The fourth proportional to 498,564.99, 687,995.78 and 283,684.95 is: 391,471.63
Step by Step Solution
- Step 1: Write the proportion equation
498,564.99 : 687,995.78 = 283,684.95 : x - Step 2: Convert to fraction form
498,564.99/687,995.78 = 283,684.95/x - Step 3: Cross multiply
498,564.99x = 687,995.78 × 283,684.95 - Step 4: Simplify right side
498,564.99x = 195,174,047,031.09 - Step 5: Solve for x
x = 195,174,047,031.09/498,564.99 - Step 6: Final answer
x = 391,471.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.