Finding the Fourth Proportional to 713,830.18, 1,068,641.55 and 625,256.68
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Solution
The fourth proportional to 713,830.18, 1,068,641.55 and 625,256.68 is: 936,042.33
Step by Step Solution
- Step 1: Write the proportion equation
713,830.18 : 1,068,641.55 = 625,256.68 : x - Step 2: Convert to fraction form
713,830.18/1,068,641.55 = 625,256.68/x - Step 3: Cross multiply
713,830.18x = 1,068,641.55 × 625,256.68 - Step 4: Simplify right side
713,830.18x = 668,175,267,663.05 - Step 5: Solve for x
x = 668,175,267,663.05/713,830.18 - Step 6: Final answer
x = 936,042.33
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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.