Finding the Fourth Proportional to 736,276.80, 1,104,415.20 and 603,307.20
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Solution
The fourth proportional to 736,276.80, 1,104,415.20 and 603,307.20 is: 904,960.80
Step by Step Solution
- Step 1: Write the proportion equation
736,276.80 : 1,104,415.20 = 603,307.20 : x - Step 2: Convert to fraction form
736,276.80/1,104,415.20 = 603,307.20/x - Step 3: Cross multiply
736,276.80x = 1,104,415.20 × 603,307.20 - Step 4: Simplify right side
736,276.80x = 666,301,641,949.44 - Step 5: Solve for x
x = 666,301,641,949.44/736,276.80 - Step 6: Final answer
x = 904,960.80
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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.