Finding the Fourth Proportional to 670,487.09, 925,272.14 and 368,681.09
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Solution
The fourth proportional to 670,487.09, 925,272.14 and 368,681.09 is: 508,779.87
Step by Step Solution
- Step 1: Write the proportion equation
670,487.09 : 925,272.14 = 368,681.09 : x - Step 2: Convert to fraction form
670,487.09/925,272.14 = 368,681.09/x - Step 3: Cross multiply
670,487.09x = 925,272.14 × 368,681.09 - Step 4: Simplify right side
670,487.09x = 341,130,334,652.07 - Step 5: Solve for x
x = 341,130,334,652.07/670,487.09 - Step 6: Final answer
x = 508,779.87
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1.5x scale
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.