Finding the Fourth Proportional to 953,746.94, 1,430,398.44 and 354,990.08
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Solution
The fourth proportional to 953,746.94, 1,430,398.44 and 354,990.08 is: 532,402.50
Step by Step Solution
- Step 1: Write the proportion equation
953,746.94 : 1,430,398.44 = 354,990.08 : x - Step 2: Convert to fraction form
953,746.94/1,430,398.44 = 354,990.08/x - Step 3: Cross multiply
953,746.94x = 1,430,398.44 × 354,990.08 - Step 4: Simplify right side
953,746.94x = 507,777,256,647.48 - Step 5: Solve for x
x = 507,777,256,647.48/953,746.94 - Step 6: Final answer
x = 532,402.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.