Finding the Fourth Proportional to 960,027.70, 1,440,041.55 and 328,731.70
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Solution
The fourth proportional to 960,027.70, 1,440,041.55 and 328,731.70 is: 493,097.55
Step by Step Solution
- Step 1: Write the proportion equation
960,027.70 : 1,440,041.55 = 328,731.70 : x - Step 2: Convert to fraction form
960,027.70/1,440,041.55 = 328,731.70/x - Step 3: Cross multiply
960,027.70x = 1,440,041.55 × 328,731.70 - Step 4: Simplify right side
960,027.70x = 473,387,306,802.14 - Step 5: Solve for x
x = 473,387,306,802.14/960,027.70 - Step 6: Final answer
x = 493,097.55
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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.