Finding the Fourth Proportional to 998,671.04, 1,497,784.80 and 288,543.68
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Solution
The fourth proportional to 998,671.04, 1,497,784.80 and 288,543.68 is: 432,751.45
Step by Step Solution
- Step 1: Write the proportion equation
998,671.04 : 1,497,784.80 = 288,543.68 : x - Step 2: Convert to fraction form
998,671.04/1,497,784.80 = 288,543.68/x - Step 3: Cross multiply
998,671.04x = 1,497,784.80 × 288,543.68 - Step 4: Simplify right side
998,671.04x = 432,176,338,040.06 - Step 5: Solve for x
x = 432,176,338,040.06/998,671.04 - Step 6: Final answer
x = 432,751.45
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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.