Finding the Fourth Proportional to 518,572.70, 776,937.45 and 444,844.70
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Solution
The fourth proportional to 518,572.70, 776,937.45 and 444,844.70 is: 666,476.48
Step by Step Solution
- Step 1: Write the proportion equation
518,572.70 : 776,937.45 = 444,844.70 : x - Step 2: Convert to fraction form
518,572.70/776,937.45 = 444,844.70/x - Step 3: Cross multiply
518,572.70x = 776,937.45 × 444,844.70 - Step 4: Simplify right side
518,572.70x = 345,616,506,864.02 - Step 5: Solve for x
x = 345,616,506,864.02/518,572.70 - Step 6: Final answer
x = 666,476.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.