Finding the Fourth Proportional to 936,393.94, 1,292,219.49 and 506,681.65
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Solution
The fourth proportional to 936,393.94, 1,292,219.49 and 506,681.65 is: 699,218.43
Step by Step Solution
- Step 1: Write the proportion equation
936,393.94 : 1,292,219.49 = 506,681.65 : x - Step 2: Convert to fraction form
936,393.94/1,292,219.49 = 506,681.65/x - Step 3: Cross multiply
936,393.94x = 1,292,219.49 × 506,681.65 - Step 4: Simplify right side
936,393.94x = 654,743,903,355.36 - Step 5: Solve for x
x = 654,743,903,355.36/936,393.94 - Step 6: Final answer
x = 699,218.43
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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.