Finding the Fourth Proportional to 918,117.14, 1,266,901.05 and 530,873.96
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Solution
The fourth proportional to 918,117.14, 1,266,901.05 and 530,873.96 is: 732,547.89
Step by Step Solution
- Step 1: Write the proportion equation
918,117.14 : 1,266,901.05 = 530,873.96 : x - Step 2: Convert to fraction form
918,117.14/1,266,901.05 = 530,873.96/x - Step 3: Cross multiply
918,117.14x = 1,266,901.05 × 530,873.96 - Step 4: Simplify right side
918,117.14x = 672,564,771,693.72 - Step 5: Solve for x
x = 672,564,771,693.72/918,117.14 - Step 6: Final answer
x = 732,547.89
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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.