Finding the Fourth Proportional to 918,023.80, 1,377,035.70 and 883,031.80
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Solution
The fourth proportional to 918,023.80, 1,377,035.70 and 883,031.80 is: 1,324,547.70
Step by Step Solution
- Step 1: Write the proportion equation
918,023.80 : 1,377,035.70 = 883,031.80 : x - Step 2: Convert to fraction form
918,023.80/1,377,035.70 = 883,031.80/x - Step 3: Cross multiply
918,023.80x = 1,377,035.70 × 883,031.80 - Step 4: Simplify right side
918,023.80x = 1,215,966,312,835.26 - Step 5: Solve for x
x = 1,215,966,312,835.26/918,023.80 - Step 6: Final answer
x = 1,324,547.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.