Finding the Fourth Proportional to 879,432.79, 1,319,376.62 and 515,002.17
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Solution
The fourth proportional to 879,432.79, 1,319,376.62 and 515,002.17 is: 772,636.44
Step by Step Solution
- Step 1: Write the proportion equation
879,432.79 : 1,319,376.62 = 515,002.17 : x - Step 2: Convert to fraction form
879,432.79/1,319,376.62 = 515,002.17/x - Step 3: Cross multiply
879,432.79x = 1,319,376.62 × 515,002.17 - Step 4: Simplify right side
879,432.79x = 679,481,822,347.27 - Step 5: Solve for x
x = 679,481,822,347.27/879,432.79 - Step 6: Final answer
x = 772,636.44
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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.