Finding the Fourth Proportional to 689,710.16, 952,237.32 and 472,282.68
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Solution
The fourth proportional to 689,710.16, 952,237.32 and 472,282.68 is: 652,049.54
Step by Step Solution
- Step 1: Write the proportion equation
689,710.16 : 952,237.32 = 472,282.68 : x - Step 2: Convert to fraction form
689,710.16/952,237.32 = 472,282.68/x - Step 3: Cross multiply
689,710.16x = 952,237.32 × 472,282.68 - Step 4: Simplify right side
689,710.16x = 449,725,193,485.62 - Step 5: Solve for x
x = 449,725,193,485.62/689,710.16 - Step 6: Final answer
x = 652,049.54
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1.5x scale
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.