Finding the Fourth Proportional to 918,924.21, 1,267,929.59 and 536,877.18
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Solution
The fourth proportional to 918,924.21, 1,267,929.59 and 536,877.18 is: 740,781.94
Step by Step Solution
- Step 1: Write the proportion equation
918,924.21 : 1,267,929.59 = 536,877.18 : x - Step 2: Convert to fraction form
918,924.21/1,267,929.59 = 536,877.18/x - Step 3: Cross multiply
918,924.21x = 1,267,929.59 × 536,877.18 - Step 4: Simplify right side
918,924.21x = 680,722,460,033.37 - Step 5: Solve for x
x = 680,722,460,033.37/918,924.21 - Step 6: Final answer
x = 740,781.94
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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.