Finding the Fourth Proportional to 657,805.98, 907,746.63 and 412,922.46
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Solution
The fourth proportional to 657,805.98, 907,746.63 and 412,922.46 is: 569,816.91
Step by Step Solution
- Step 1: Write the proportion equation
657,805.98 : 907,746.63 = 412,922.46 : x - Step 2: Convert to fraction form
657,805.98/907,746.63 = 412,922.46/x - Step 3: Cross multiply
657,805.98x = 907,746.63 × 412,922.46 - Step 4: Simplify right side
657,805.98x = 374,828,971,516.31 - Step 5: Solve for x
x = 374,828,971,516.31/657,805.98 - Step 6: Final answer
x = 569,816.91
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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.