Finding the Fourth Proportional to 938,776.19, 1,408,417.04 and 483,119.12
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Solution
The fourth proportional to 938,776.19, 1,408,417.04 and 483,119.12 is: 724,808.75
Step by Step Solution
- Step 1: Write the proportion equation
938,776.19 : 1,408,417.04 = 483,119.12 : x - Step 2: Convert to fraction form
938,776.19/1,408,417.04 = 483,119.12/x - Step 3: Cross multiply
938,776.19x = 1,408,417.04 × 483,119.12 - Step 4: Simplify right side
938,776.19x = 680,433,200,957.81 - Step 5: Solve for x
x = 680,433,200,957.81/938,776.19 - Step 6: Final answer
x = 724,808.75
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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.