Finding the Fourth Proportional to 624,869.24, 862,320.36 and 338,389.76
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Solution
The fourth proportional to 624,869.24, 862,320.36 and 338,389.76 is: 466,978.31
Step by Step Solution
- Step 1: Write the proportion equation
624,869.24 : 862,320.36 = 338,389.76 : x - Step 2: Convert to fraction form
624,869.24/862,320.36 = 338,389.76/x - Step 3: Cross multiply
624,869.24x = 862,320.36 × 338,389.76 - Step 4: Simplify right side
624,869.24x = 291,800,379,663.51 - Step 5: Solve for x
x = 291,800,379,663.51/624,869.24 - Step 6: Final answer
x = 466,978.31
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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.