Finding the Fourth Proportional to 750,379.14, 1,125,281.66 and 371,169.76
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Solution
The fourth proportional to 750,379.14, 1,125,281.66 and 371,169.76 is: 556,612.65
Step by Step Solution
- Step 1: Write the proportion equation
750,379.14 : 1,125,281.66 = 371,169.76 : x - Step 2: Convert to fraction form
750,379.14/1,125,281.66 = 371,169.76/x - Step 3: Cross multiply
750,379.14x = 1,125,281.66 × 371,169.76 - Step 4: Simplify right side
750,379.14x = 417,670,523,674.60 - Step 5: Solve for x
x = 417,670,523,674.60/750,379.14 - Step 6: Final answer
x = 556,612.65
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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.