Finding the Fourth Proportional to 935,886.37, 1,291,523.18 and 506,166.49
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Solution
The fourth proportional to 935,886.37, 1,291,523.18 and 506,166.49 is: 698,509.75
Step by Step Solution
- Step 1: Write the proportion equation
935,886.37 : 1,291,523.18 = 506,166.49 : x - Step 2: Convert to fraction form
935,886.37/1,291,523.18 = 506,166.49/x - Step 3: Cross multiply
935,886.37x = 1,291,523.18 × 506,166.49 - Step 4: Simplify right side
935,886.37x = 653,725,754,774.24 - Step 5: Solve for x
x = 653,725,754,774.24/935,886.37 - Step 6: Final answer
x = 698,509.75
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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.