Finding the Fourth Proportional to 614,830.80, 922,246.20 and 502,637.70
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Solution
The fourth proportional to 614,830.80, 922,246.20 and 502,637.70 is: 753,956.55
Step by Step Solution
- Step 1: Write the proportion equation
614,830.80 : 922,246.20 = 502,637.70 : x - Step 2: Convert to fraction form
614,830.80/922,246.20 = 502,637.70/x - Step 3: Cross multiply
614,830.80x = 922,246.20 × 502,637.70 - Step 4: Simplify right side
614,830.80x = 463,555,708,801.74 - Step 5: Solve for x
x = 463,555,708,801.74/614,830.80 - Step 6: Final answer
x = 753,956.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.