Finding the Fourth Proportional to 739,455.68, 1,020,495.51 and 417,048.14
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Solution
The fourth proportional to 739,455.68, 1,020,495.51 and 417,048.14 is: 575,552.76
Step by Step Solution
- Step 1: Write the proportion equation
739,455.68 : 1,020,495.51 = 417,048.14 : x - Step 2: Convert to fraction form
739,455.68/1,020,495.51 = 417,048.14/x - Step 3: Cross multiply
739,455.68x = 1,020,495.51 × 417,048.14 - Step 4: Simplify right side
739,455.68x = 425,595,756,875.09 - Step 5: Solve for x
x = 425,595,756,875.09/739,455.68 - Step 6: Final answer
x = 575,552.76
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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.