Finding the Fourth Proportional to 738,985.95, 1,018,407.13 and 534,690.99
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Solution
The fourth proportional to 738,985.95, 1,018,407.13 and 534,690.99 is: 736,865.32
Step by Step Solution
- Step 1: Write the proportion equation
738,985.95 : 1,018,407.13 = 534,690.99 : x - Step 2: Convert to fraction form
738,985.95/1,018,407.13 = 534,690.99/x - Step 3: Cross multiply
738,985.95x = 1,018,407.13 × 534,690.99 - Step 4: Simplify right side
738,985.95x = 544,533,115,226.03 - Step 5: Solve for x
x = 544,533,115,226.03/738,985.95 - Step 6: Final answer
x = 736,865.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.