Finding the Fourth Proportional to 911,547.84, 1,257,871.36 and 503,645.20
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Solution
The fourth proportional to 911,547.84, 1,257,871.36 and 503,645.20 is: 694,994.65
Step by Step Solution
- Step 1: Write the proportion equation
911,547.84 : 1,257,871.36 = 503,645.20 : x - Step 2: Convert to fraction form
911,547.84/1,257,871.36 = 503,645.20/x - Step 3: Cross multiply
911,547.84x = 1,257,871.36 × 503,645.20 - Step 4: Simplify right side
911,547.84x = 633,520,872,681.47 - Step 5: Solve for x
x = 633,520,872,681.47/911,547.84 - Step 6: Final answer
x = 694,994.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.