Finding the Fourth Proportional to 875,017.49, 1,312,567.74 and 425,202.53
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Solution
The fourth proportional to 875,017.49, 1,312,567.74 and 425,202.53 is: 637,823.96
Step by Step Solution
- Step 1: Write the proportion equation
875,017.49 : 1,312,567.74 = 425,202.53 : x - Step 2: Convert to fraction form
875,017.49/1,312,567.74 = 425,202.53/x - Step 3: Cross multiply
875,017.49x = 1,312,567.74 × 425,202.53 - Step 4: Simplify right side
875,017.49x = 558,107,117,281.54 - Step 5: Solve for x
x = 558,107,117,281.54/875,017.49 - Step 6: Final answer
x = 637,823.96
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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.