Finding the Fourth Proportional to 935,808.16, 1,291,419.14 and 506,088.29
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Solution
The fourth proportional to 935,808.16, 1,291,419.14 and 506,088.29 is: 698,403.94
Step by Step Solution
- Step 1: Write the proportion equation
935,808.16 : 1,291,419.14 = 506,088.29 : x - Step 2: Convert to fraction form
935,808.16/1,291,419.14 = 506,088.29/x - Step 3: Cross multiply
935,808.16x = 1,291,419.14 × 506,088.29 - Step 4: Simplify right side
935,808.16x = 653,572,104,235.87 - Step 5: Solve for x
x = 653,572,104,235.87/935,808.16 - Step 6: Final answer
x = 698,403.94
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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.