Finding the Fourth Proportional to 652,088.68, 900,070.50 and 422,638.12
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Solution
The fourth proportional to 652,088.68, 900,070.50 and 422,638.12 is: 583,362.53
Step by Step Solution
- Step 1: Write the proportion equation
652,088.68 : 900,070.50 = 422,638.12 : x - Step 2: Convert to fraction form
652,088.68/900,070.50 = 422,638.12/x - Step 3: Cross multiply
652,088.68x = 900,070.50 × 422,638.12 - Step 4: Simplify right side
652,088.68x = 380,404,103,987.46 - Step 5: Solve for x
x = 380,404,103,987.46/652,088.68 - Step 6: Final answer
x = 583,362.53
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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.