Finding the Fourth Proportional to 1,036,449.24, 1,430,415.75 and 577,605.71
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Solution
The fourth proportional to 1,036,449.24, 1,430,415.75 and 577,605.71 is: 797,160.41
Step by Step Solution
- Step 1: Write the proportion equation
1,036,449.24 : 1,430,415.75 = 577,605.71 : x - Step 2: Convert to fraction form
1,036,449.24/1,430,415.75 = 577,605.71/x - Step 3: Cross multiply
1,036,449.24x = 1,430,415.75 × 577,605.71 - Step 4: Simplify right side
1,036,449.24x = 826,216,297,721.85 - Step 5: Solve for x
x = 826,216,297,721.85/1,036,449.24 - Step 6: Final answer
x = 797,160.41
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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.