Finding the Fourth Proportional to 689,707.18, 952,233.18 and 472,279.68
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Solution
The fourth proportional to 689,707.18, 952,233.18 and 472,279.68 is: 652,045.38
Step by Step Solution
- Step 1: Write the proportion equation
689,707.18 : 952,233.18 = 472,279.68 : x - Step 2: Convert to fraction form
689,707.18/952,233.18 = 472,279.68/x - Step 3: Cross multiply
689,707.18x = 952,233.18 × 472,279.68 - Step 4: Simplify right side
689,707.18x = 449,720,381,535.78 - Step 5: Solve for x
x = 449,720,381,535.78/689,707.18 - Step 6: Final answer
x = 652,045.38
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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.