Finding the Fourth Proportional to 992,455.70, 1,488,683.55 and 572,551.70
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Solution
The fourth proportional to 992,455.70, 1,488,683.55 and 572,551.70 is: 858,827.55
Step by Step Solution
- Step 1: Write the proportion equation
992,455.70 : 1,488,683.55 = 572,551.70 : x - Step 2: Convert to fraction form
992,455.70/1,488,683.55 = 572,551.70/x - Step 3: Cross multiply
992,455.70x = 1,488,683.55 × 572,551.70 - Step 4: Simplify right side
992,455.70x = 852,348,297,314.54 - Step 5: Solve for x
x = 852,348,297,314.54/992,455.70 - Step 6: Final answer
x = 858,827.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.