Finding the Fourth Proportional to 801,637.55, 1,106,277.72 and 457,466.62
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Solution
The fourth proportional to 801,637.55, 1,106,277.72 and 457,466.62 is: 631,314.15
Step by Step Solution
- Step 1: Write the proportion equation
801,637.55 : 1,106,277.72 = 457,466.62 : x - Step 2: Convert to fraction form
801,637.55/1,106,277.72 = 457,466.62/x - Step 3: Cross multiply
801,637.55x = 1,106,277.72 × 457,466.62 - Step 4: Simplify right side
801,637.55x = 506,085,129,349.71 - Step 5: Solve for x
x = 506,085,129,349.71/801,637.55 - Step 6: Final answer
x = 631,314.15
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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.