Finding the Fourth Proportional to 717,826.19, 990,426.83 and 472,784.99
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Solution
The fourth proportional to 717,826.19, 990,426.83 and 472,784.99 is: 652,329.13
Step by Step Solution
- Step 1: Write the proportion equation
717,826.19 : 990,426.83 = 472,784.99 : x - Step 2: Convert to fraction form
717,826.19/990,426.83 = 472,784.99/x - Step 3: Cross multiply
717,826.19x = 990,426.83 × 472,784.99 - Step 4: Simplify right side
717,826.19x = 468,258,931,601.22 - Step 5: Solve for x
x = 468,258,931,601.22/717,826.19 - Step 6: Final answer
x = 652,329.13
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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.