Finding the Fourth Proportional to 1,038,329.10, 1,432,994.49 and 630,336.42
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Solution
The fourth proportional to 1,038,329.10, 1,432,994.49 and 630,336.42 is: 869,925.17
Step by Step Solution
- Step 1: Write the proportion equation
1,038,329.10 : 1,432,994.49 = 630,336.42 : x - Step 2: Convert to fraction form
1,038,329.10/1,432,994.49 = 630,336.42/x - Step 3: Cross multiply
1,038,329.10x = 1,432,994.49 × 630,336.42 - Step 4: Simplify right side
1,038,329.10x = 903,268,616,706.33 - Step 5: Solve for x
x = 903,268,616,706.33/1,038,329.10 - Step 6: Final answer
x = 869,925.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.