Finding the Fourth Proportional to 875,926.80, 1,313,890.20 and 698,779.80
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Solution
The fourth proportional to 875,926.80, 1,313,890.20 and 698,779.80 is: 1,048,169.70
Step by Step Solution
- Step 1: Write the proportion equation
875,926.80 : 1,313,890.20 = 698,779.80 : x - Step 2: Convert to fraction form
875,926.80/1,313,890.20 = 698,779.80/x - Step 3: Cross multiply
875,926.80x = 1,313,890.20 × 698,779.80 - Step 4: Simplify right side
875,926.80x = 918,119,931,177.96 - Step 5: Solve for x
x = 918,119,931,177.96/875,926.80 - Step 6: Final answer
x = 1,048,169.70
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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.