Home / 762,751.40-1,144,127.10-201,785.90

Finding the Fourth Proportional to 762,751.40, 1,144,127.10 and 201,785.90

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Solution

The fourth proportional to 762,751.40, 1,144,127.10 and 201,785.90 is: 302,678.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,751.40 : 1,144,127.10 = 201,785.90 : x
  2. Step 2: Convert to fraction form
    762,751.40/1,144,127.10 = 201,785.90/x
  3. Step 3: Cross multiply
    762,751.40x = 1,144,127.10 × 201,785.90
  4. Step 4: Simplify right side
    762,751.40x = 230,868,716,587.89
  5. Step 5: Solve for x
    x = 230,868,716,587.89/762,751.40
  6. Step 6: Final answer
    x = 302,678.85

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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.