Finding the Fourth Proportional to 752,840.06, 1,128,263.36 and 552,221.10
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Solution
The fourth proportional to 752,840.06, 1,128,263.36 and 552,221.10 is: 827,600.53
Step by Step Solution
- Step 1: Write the proportion equation
752,840.06 : 1,128,263.36 = 552,221.10 : x - Step 2: Convert to fraction form
752,840.06/1,128,263.36 = 552,221.10/x - Step 3: Cross multiply
752,840.06x = 1,128,263.36 × 552,221.10 - Step 4: Simplify right side
752,840.06x = 623,050,830,987.79 - Step 5: Solve for x
x = 623,050,830,987.79/752,840.06 - Step 6: Final answer
x = 827,600.53
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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.