Finding the Fourth Proportional to 530,581.08, 732,216.06 and 288,873.84
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Solution
The fourth proportional to 530,581.08, 732,216.06 and 288,873.84 is: 398,653.61
Step by Step Solution
- Step 1: Write the proportion equation
530,581.08 : 732,216.06 = 288,873.84 : x - Step 2: Convert to fraction form
530,581.08/732,216.06 = 288,873.84/x - Step 3: Cross multiply
530,581.08x = 732,216.06 × 288,873.84 - Step 4: Simplify right side
530,581.08x = 211,518,064,961.87 - Step 5: Solve for x
x = 211,518,064,961.87/530,581.08 - Step 6: Final answer
x = 398,653.61
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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.