Finding the Fourth Proportional to 453,303.08, 679,862.46 and 430,821.80
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Solution
The fourth proportional to 453,303.08, 679,862.46 and 430,821.80 is: 646,145.11
Step by Step Solution
- Step 1: Write the proportion equation
453,303.08 : 679,862.46 = 430,821.80 : x - Step 2: Convert to fraction form
453,303.08/679,862.46 = 430,821.80/x - Step 3: Cross multiply
453,303.08x = 679,862.46 × 430,821.80 - Step 4: Simplify right side
453,303.08x = 292,899,568,769.63 - Step 5: Solve for x
x = 292,899,568,769.63/453,303.08 - Step 6: Final answer
x = 646,145.11
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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.