Finding the Fourth Proportional to 1,430,079.84, 2,145,383.28 and 470,589.12
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Solution
The fourth proportional to 1,430,079.84, 2,145,383.28 and 470,589.12 is: 705,970.40
Step by Step Solution
- Step 1: Write the proportion equation
1,430,079.84 : 2,145,383.28 = 470,589.12 : x - Step 2: Convert to fraction form
1,430,079.84/2,145,383.28 = 470,589.12/x - Step 3: Cross multiply
1,430,079.84x = 2,145,383.28 × 470,589.12 - Step 4: Simplify right side
1,430,079.84x = 1,009,594,029,797.91 - Step 5: Solve for x
x = 1,009,594,029,797.91/1,430,079.84 - Step 6: Final answer
x = 705,970.40
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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.