Finding the Fourth Proportional to 708,260.16, 977,395.79 and 385,970.17
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Solution
The fourth proportional to 708,260.16, 977,395.79 and 385,970.17 is: 532,637.07
Step by Step Solution
- Step 1: Write the proportion equation
708,260.16 : 977,395.79 = 385,970.17 : x - Step 2: Convert to fraction form
708,260.16/977,395.79 = 385,970.17/x - Step 3: Cross multiply
708,260.16x = 977,395.79 × 385,970.17 - Step 4: Simplify right side
708,260.16x = 377,245,620,155.48 - Step 5: Solve for x
x = 377,245,620,155.48/708,260.16 - Step 6: Final answer
x = 532,637.07
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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.