Finding the Fourth Proportional to 875,266.86, 1,207,871.55 and 553,120.14
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Solution
The fourth proportional to 875,266.86, 1,207,871.55 and 553,120.14 is: 763,307.87
Step by Step Solution
- Step 1: Write the proportion equation
875,266.86 : 1,207,871.55 = 553,120.14 : x - Step 2: Convert to fraction form
875,266.86/1,207,871.55 = 553,120.14/x - Step 3: Cross multiply
875,266.86x = 1,207,871.55 × 553,120.14 - Step 4: Simplify right side
875,266.86x = 668,098,080,838.02 - Step 5: Solve for x
x = 668,098,080,838.02/875,266.86 - Step 6: Final answer
x = 763,307.87
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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.