Finding the Fourth Proportional to 783,457.08, 1,081,155.48 and 456,831.06
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Solution
The fourth proportional to 783,457.08, 1,081,155.48 and 456,831.06 is: 630,417.95
Step by Step Solution
- Step 1: Write the proportion equation
783,457.08 : 1,081,155.48 = 456,831.06 : x - Step 2: Convert to fraction form
783,457.08/1,081,155.48 = 456,831.06/x - Step 3: Cross multiply
783,457.08x = 1,081,155.48 × 456,831.06 - Step 4: Simplify right side
783,457.08x = 493,905,403,953.21 - Step 5: Solve for x
x = 493,905,403,953.21/783,457.08 - Step 6: Final answer
x = 630,417.95
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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.