Finding the Fourth Proportional to 752,650.45, 1,038,619.68 and 446,740.18
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Solution
The fourth proportional to 752,650.45, 1,038,619.68 and 446,740.18 is: 616,478.93
Step by Step Solution
- Step 1: Write the proportion equation
752,650.45 : 1,038,619.68 = 446,740.18 : x - Step 2: Convert to fraction form
752,650.45/1,038,619.68 = 446,740.18/x - Step 3: Cross multiply
752,650.45x = 1,038,619.68 × 446,740.18 - Step 4: Simplify right side
752,650.45x = 463,993,142,794.74 - Step 5: Solve for x
x = 463,993,142,794.74/752,650.45 - Step 6: Final answer
x = 616,478.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.