Finding the Fourth Proportional to 893,288.68, 1,232,746.17 and 485,390.53
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Solution
The fourth proportional to 893,288.68, 1,232,746.17 and 485,390.53 is: 669,843.16
Step by Step Solution
- Step 1: Write the proportion equation
893,288.68 : 1,232,746.17 = 485,390.53 : x - Step 2: Convert to fraction form
893,288.68/1,232,746.17 = 485,390.53/x - Step 3: Cross multiply
893,288.68x = 1,232,746.17 × 485,390.53 - Step 4: Simplify right side
893,288.68x = 598,363,315,598.29 - Step 5: Solve for x
x = 598,363,315,598.29/893,288.68 - Step 6: Final answer
x = 669,843.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.