Finding the Fourth Proportional to 550,337.19, 759,143.60 and 346,064.71
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Solution
The fourth proportional to 550,337.19, 759,143.60 and 346,064.71 is: 477,366.99
Step by Step Solution
- Step 1: Write the proportion equation
550,337.19 : 759,143.60 = 346,064.71 : x - Step 2: Convert to fraction form
550,337.19/759,143.60 = 346,064.71/x - Step 3: Cross multiply
550,337.19x = 759,143.60 × 346,064.71 - Step 4: Simplify right side
550,337.19x = 262,712,809,782.36 - Step 5: Solve for x
x = 262,712,809,782.36/550,337.19 - Step 6: Final answer
x = 477,366.99
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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.