Home / 887,718.21-1,225,125.77-543,552.45

Finding the Fourth Proportional to 887,718.21, 1,225,125.77 and 543,552.45

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Solution

The fourth proportional to 887,718.21, 1,225,125.77 and 543,552.45 is: 750,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,718.21 : 1,225,125.77 = 543,552.45 : x
  2. Step 2: Convert to fraction form
    887,718.21/1,225,125.77 = 543,552.45/x
  3. Step 3: Cross multiply
    887,718.21x = 1,225,125.77 × 543,552.45
  4. Step 4: Simplify right side
    887,718.21x = 665,920,113,841.64
  5. Step 5: Solve for x
    x = 665,920,113,841.64/887,718.21
  6. Step 6: Final answer
    x = 750,148.08

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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.