Finding the Fourth Proportional to 960,048.70, 1,440,073.05 and 919,095.10
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Solution
The fourth proportional to 960,048.70, 1,440,073.05 and 919,095.10 is: 1,378,642.65
Step by Step Solution
- Step 1: Write the proportion equation
960,048.70 : 1,440,073.05 = 919,095.10 : x - Step 2: Convert to fraction form
960,048.70/1,440,073.05 = 919,095.10/x - Step 3: Cross multiply
960,048.70x = 1,440,073.05 × 919,095.10 - Step 4: Simplify right side
960,048.70x = 1,323,564,083,897.06 - Step 5: Solve for x
x = 1,323,564,083,897.06/960,048.70 - Step 6: Final answer
x = 1,378,642.65
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1.5x scale
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.