Finding the Fourth Proportional to 745,585.48, 1,028,937.09 and 423,325.59
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Solution
The fourth proportional to 745,585.48, 1,028,937.09 and 423,325.59 is: 584,205.85
Step by Step Solution
- Step 1: Write the proportion equation
745,585.48 : 1,028,937.09 = 423,325.59 : x - Step 2: Convert to fraction form
745,585.48/1,028,937.09 = 423,325.59/x - Step 3: Cross multiply
745,585.48x = 1,028,937.09 × 423,325.59 - Step 4: Simplify right side
745,585.48x = 435,575,400,697.13 - Step 5: Solve for x
x = 435,575,400,697.13/745,585.48 - Step 6: Final answer
x = 584,205.85
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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.