Finding the Fourth Proportional to 936,438.58, 1,292,283.21 and 506,718.55
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Solution
The fourth proportional to 936,438.58, 1,292,283.21 and 506,718.55 is: 699,270.50
Step by Step Solution
- Step 1: Write the proportion equation
936,438.58 : 1,292,283.21 = 506,718.55 : x - Step 2: Convert to fraction form
936,438.58/1,292,283.21 = 506,718.55/x - Step 3: Cross multiply
936,438.58x = 1,292,283.21 × 506,718.55 - Step 4: Simplify right side
936,438.58x = 654,823,874,360.55 - Step 5: Solve for x
x = 654,823,874,360.55/936,438.58 - Step 6: Final answer
x = 699,270.50
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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.