Finding the Fourth Proportional to 530,564.80, 732,186.84 and 288,854.68
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Solution
The fourth proportional to 530,564.80, 732,186.84 and 288,854.68 is: 398,623.50
Step by Step Solution
- Step 1: Write the proportion equation
530,564.80 : 732,186.84 = 288,854.68 : x - Step 2: Convert to fraction form
530,564.80/732,186.84 = 288,854.68/x - Step 3: Cross multiply
530,564.80x = 732,186.84 × 288,854.68 - Step 4: Simplify right side
530,564.80x = 211,495,595,368.41 - Step 5: Solve for x
x = 211,495,595,368.41/530,564.80 - Step 6: Final answer
x = 398,623.50
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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.