Finding the Fourth Proportional to 752,641.20, 1,038,652.62 and 408,480.09
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Solution
The fourth proportional to 752,641.20, 1,038,652.62 and 408,480.09 is: 563,706.74
Step by Step Solution
- Step 1: Write the proportion equation
752,641.20 : 1,038,652.62 = 408,480.09 : x - Step 2: Convert to fraction form
752,641.20/1,038,652.62 = 408,480.09/x - Step 3: Cross multiply
752,641.20x = 1,038,652.62 × 408,480.09 - Step 4: Simplify right side
752,641.20x = 424,268,915,696.34 - Step 5: Solve for x
x = 424,268,915,696.34/752,641.20 - Step 6: Final answer
x = 563,706.74
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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.