Finding the Fourth Proportional to 935,749.68, 1,291,312.98 and 553,782.84
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Solution
The fourth proportional to 935,749.68, 1,291,312.98 and 553,782.84 is: 764,207.55
Step by Step Solution
- Step 1: Write the proportion equation
935,749.68 : 1,291,312.98 = 553,782.84 : x - Step 2: Convert to fraction form
935,749.68/1,291,312.98 = 553,782.84/x - Step 3: Cross multiply
935,749.68x = 1,291,312.98 × 553,782.84 - Step 4: Simplify right side
935,749.68x = 715,106,969,393.26 - Step 5: Solve for x
x = 715,106,969,393.26/935,749.68 - Step 6: Final answer
x = 764,207.55
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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.