Finding the Fourth Proportional to 975,708.24, 1,461,430.86 and 405,360.09
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Solution
The fourth proportional to 975,708.24, 1,461,430.86 and 405,360.09 is: 607,154.60
Step by Step Solution
- Step 1: Write the proportion equation
975,708.24 : 1,461,430.86 = 405,360.09 : x - Step 2: Convert to fraction form
975,708.24/1,461,430.86 = 405,360.09/x - Step 3: Cross multiply
975,708.24x = 1,461,430.86 × 405,360.09 - Step 4: Simplify right side
975,708.24x = 592,405,744,938.38 - Step 5: Solve for x
x = 592,405,744,938.38/975,708.24 - Step 6: Final answer
x = 607,154.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.