Finding the Fourth Proportional to 970,276.80, 1,455,415.20 and 907,291.20
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Solution
The fourth proportional to 970,276.80, 1,455,415.20 and 907,291.20 is: 1,360,936.80
Step by Step Solution
- Step 1: Write the proportion equation
970,276.80 : 1,455,415.20 = 907,291.20 : x - Step 2: Convert to fraction form
970,276.80/1,455,415.20 = 907,291.20/x - Step 3: Cross multiply
970,276.80x = 1,455,415.20 × 907,291.20 - Step 4: Simplify right side
970,276.80x = 1,320,485,403,306.24 - Step 5: Solve for x
x = 1,320,485,403,306.24/970,276.80 - Step 6: Final answer
x = 1,360,936.80
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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.