Finding the Fourth Proportional to 539,106.20, 808,659.30 and 530,811.80
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Solution
The fourth proportional to 539,106.20, 808,659.30 and 530,811.80 is: 796,217.70
Step by Step Solution
- Step 1: Write the proportion equation
539,106.20 : 808,659.30 = 530,811.80 : x - Step 2: Convert to fraction form
539,106.20/808,659.30 = 530,811.80/x - Step 3: Cross multiply
539,106.20x = 808,659.30 × 530,811.80 - Step 4: Simplify right side
539,106.20x = 429,245,898,619.74 - Step 5: Solve for x
x = 429,245,898,619.74/539,106.20 - Step 6: Final answer
x = 796,217.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.