Finding the Fourth Proportional to 740,435.58, 1,021,037.40 and 633,360.06
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Solution
The fourth proportional to 740,435.58, 1,021,037.40 and 633,360.06 is: 873,383.62
Step by Step Solution
- Step 1: Write the proportion equation
740,435.58 : 1,021,037.40 = 633,360.06 : x - Step 2: Convert to fraction form
740,435.58/1,021,037.40 = 633,360.06/x - Step 3: Cross multiply
740,435.58x = 1,021,037.40 × 633,360.06 - Step 4: Simplify right side
740,435.58x = 646,684,308,926.24 - Step 5: Solve for x
x = 646,684,308,926.24/740,435.58 - Step 6: Final answer
x = 873,383.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.