Home / 832,783.80-1,248,988.68-383,072.76

Finding the Fourth Proportional to 832,783.80, 1,248,988.68 and 383,072.76

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Solution

The fourth proportional to 832,783.80, 1,248,988.68 and 383,072.76 is: 574,523.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,783.80 : 1,248,988.68 = 383,072.76 : x
  2. Step 2: Convert to fraction form
    832,783.80/1,248,988.68 = 383,072.76/x
  3. Step 3: Cross multiply
    832,783.80x = 1,248,988.68 × 383,072.76
  4. Step 4: Simplify right side
    832,783.80x = 478,453,540,856.36
  5. Step 5: Solve for x
    x = 478,453,540,856.36/832,783.80
  6. Step 6: Final answer
    x = 574,523.11

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1.5x scale

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.