Finding the Fourth Proportional to 609,637.16, 841,312.74 and 347,987.08
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Solution
The fourth proportional to 609,637.16, 841,312.74 and 347,987.08 is: 480,229.85
Step by Step Solution
- Step 1: Write the proportion equation
609,637.16 : 841,312.74 = 347,987.08 : x - Step 2: Convert to fraction form
609,637.16/841,312.74 = 347,987.08/x - Step 3: Cross multiply
609,637.16x = 841,312.74 × 347,987.08 - Step 4: Simplify right side
609,637.16x = 292,765,963,759.40 - Step 5: Solve for x
x = 292,765,963,759.40/609,637.16 - Step 6: Final answer
x = 480,229.85
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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.