Finding the Fourth Proportional to 654,555.76, 903,281.29 and 368,069.70
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Solution
The fourth proportional to 654,555.76, 903,281.29 and 368,069.70 is: 507,933.00
Step by Step Solution
- Step 1: Write the proportion equation
654,555.76 : 903,281.29 = 368,069.70 : x - Step 2: Convert to fraction form
654,555.76/903,281.29 = 368,069.70/x - Step 3: Cross multiply
654,555.76x = 903,281.29 × 368,069.70 - Step 4: Simplify right side
654,555.76x = 332,470,473,425.91 - Step 5: Solve for x
x = 332,470,473,425.91/654,555.76 - Step 6: Final answer
x = 507,933.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.