Finding the Fourth Proportional to 634,567.68, 875,715.04 and 348,102.40
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Solution
The fourth proportional to 634,567.68, 875,715.04 and 348,102.40 is: 480,387.70
Step by Step Solution
- Step 1: Write the proportion equation
634,567.68 : 875,715.04 = 348,102.40 : x - Step 2: Convert to fraction form
634,567.68/875,715.04 = 348,102.40/x - Step 3: Cross multiply
634,567.68x = 875,715.04 × 348,102.40 - Step 4: Simplify right side
634,567.68x = 304,838,507,140.10 - Step 5: Solve for x
x = 304,838,507,140.10/634,567.68 - Step 6: Final answer
x = 480,387.70
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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.