Finding the Fourth Proportional to 578,724.54, 867,386.97 and 298,088.70
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Solution
The fourth proportional to 578,724.54, 867,386.97 and 298,088.70 is: 446,772.58
Step by Step Solution
- Step 1: Write the proportion equation
578,724.54 : 867,386.97 = 298,088.70 : x - Step 2: Convert to fraction form
578,724.54/867,386.97 = 298,088.70/x - Step 3: Cross multiply
578,724.54x = 867,386.97 × 298,088.70 - Step 4: Simplify right side
578,724.54x = 258,558,254,284.24 - Step 5: Solve for x
x = 258,558,254,284.24/578,724.54 - Step 6: Final answer
x = 446,772.58
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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.