Finding the Fourth Proportional to 707,762.18, 977,360.91 and 449,724.13
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Solution
The fourth proportional to 707,762.18, 977,360.91 and 449,724.13 is: 621,031.75
Step by Step Solution
- Step 1: Write the proportion equation
707,762.18 : 977,360.91 = 449,724.13 : x - Step 2: Convert to fraction form
707,762.18/977,360.91 = 449,724.13/x - Step 3: Cross multiply
707,762.18x = 977,360.91 × 449,724.13 - Step 4: Simplify right side
707,762.18x = 439,542,784,945.76 - Step 5: Solve for x
x = 439,542,784,945.76/707,762.18 - Step 6: Final answer
x = 621,031.75
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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.