Finding the Fourth Proportional to 1,048,276.70, 1,572,415.05 and 488,404.70
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Solution
The fourth proportional to 1,048,276.70, 1,572,415.05 and 488,404.70 is: 732,607.05
Step by Step Solution
- Step 1: Write the proportion equation
1,048,276.70 : 1,572,415.05 = 488,404.70 : x - Step 2: Convert to fraction form
1,048,276.70/1,572,415.05 = 488,404.70/x - Step 3: Cross multiply
1,048,276.70x = 1,572,415.05 × 488,404.70 - Step 4: Simplify right side
1,048,276.70x = 767,974,900,770.74 - Step 5: Solve for x
x = 767,974,900,770.74/1,048,276.70 - Step 6: Final answer
x = 732,607.05
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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.