Finding the Fourth Proportional to 998,637.67, 1,497,967.44 and 288,671.86
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Solution
The fourth proportional to 998,637.67, 1,497,967.44 and 288,671.86 is: 433,010.95
Step by Step Solution
- Step 1: Write the proportion equation
998,637.67 : 1,497,967.44 = 288,671.86 : x - Step 2: Convert to fraction form
998,637.67/1,497,967.44 = 288,671.86/x - Step 3: Cross multiply
998,637.67x = 1,497,967.44 × 288,671.86 - Step 4: Simplify right side
998,637.67x = 432,421,047,124.24 - Step 5: Solve for x
x = 432,421,047,124.24/998,637.67 - Step 6: Final answer
x = 433,010.95
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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.