Finding the Fourth Proportional to 913,898.12, 1,371,133.96 and 549,579.04
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Solution
The fourth proportional to 913,898.12, 1,371,133.96 and 549,579.04 is: 824,541.02
Step by Step Solution
- Step 1: Write the proportion equation
913,898.12 : 1,371,133.96 = 549,579.04 : x - Step 2: Convert to fraction form
913,898.12/1,371,133.96 = 549,579.04/x - Step 3: Cross multiply
913,898.12x = 1,371,133.96 × 549,579.04 - Step 4: Simplify right side
913,898.12x = 753,546,485,448.20 - Step 5: Solve for x
x = 753,546,485,448.20/913,898.12 - Step 6: Final answer
x = 824,541.02
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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.