Finding the Fourth Proportional to 885,985.99, 1,224,260 and 630,894.31
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Solution
The fourth proportional to 885,985.99, 1,224,260 and 630,894.31 is: 871,773.00
Step by Step Solution
- Step 1: Write the proportion equation
885,985.99 : 1,224,260 = 630,894.31 : x - Step 2: Convert to fraction form
885,985.99/1,224,260 = 630,894.31/x - Step 3: Cross multiply
885,985.99x = 1,224,260 × 630,894.31 - Step 4: Simplify right side
885,985.99x = 772,378,667,960.60 - Step 5: Solve for x
x = 772,378,667,960.60/885,985.99 - Step 6: Final answer
x = 871,773.00
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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.