Home / 887,717.21-1,225,124.39-543,551.45

Finding the Fourth Proportional to 887,717.21, 1,225,124.39 and 543,551.45

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Solution

The fourth proportional to 887,717.21, 1,225,124.39 and 543,551.45 is: 750,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,717.21 : 1,225,124.39 = 543,551.45 : x
  2. Step 2: Convert to fraction form
    887,717.21/1,225,124.39 = 543,551.45/x
  3. Step 3: Cross multiply
    887,717.21x = 1,225,124.39 × 543,551.45
  4. Step 4: Simplify right side
    887,717.21x = 665,918,133,848.12
  5. Step 5: Solve for x
    x = 665,918,133,848.12/887,717.21
  6. Step 6: Final answer
    x = 750,146.70

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1.5x scale

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.