Finding the Fourth Proportional to 808,807.68, 1,211,587.47 and 402,776.55
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Solution
The fourth proportional to 808,807.68, 1,211,587.47 and 402,776.55 is: 603,356.07
Step by Step Solution
- Step 1: Write the proportion equation
808,807.68 : 1,211,587.47 = 402,776.55 : x - Step 2: Convert to fraction form
808,807.68/1,211,587.47 = 402,776.55/x - Step 3: Cross multiply
808,807.68x = 1,211,587.47 × 402,776.55 - Step 4: Simplify right side
808,807.68x = 487,999,021,189.83 - Step 5: Solve for x
x = 487,999,021,189.83/808,807.68 - Step 6: Final answer
x = 603,356.07
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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.