Finding the Fourth Proportional to 688,355.68, 950,276.40 and 430,376.08
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Solution
The fourth proportional to 688,355.68, 950,276.40 and 430,376.08 is: 594,135.04
Step by Step Solution
- Step 1: Write the proportion equation
688,355.68 : 950,276.40 = 430,376.08 : x - Step 2: Convert to fraction form
688,355.68/950,276.40 = 430,376.08/x - Step 3: Cross multiply
688,355.68x = 950,276.40 × 430,376.08 - Step 4: Simplify right side
688,355.68x = 408,976,231,948.51 - Step 5: Solve for x
x = 408,976,231,948.51/688,355.68 - Step 6: Final answer
x = 594,135.04
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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.