Home / 672,210.40-1,007,926.80-251,528.80

Finding the Fourth Proportional to 672,210.40, 1,007,926.80 and 251,528.80

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Solution

The fourth proportional to 672,210.40, 1,007,926.80 and 251,528.80 is: 377,147.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,210.40 : 1,007,926.80 = 251,528.80 : x
  2. Step 2: Convert to fraction form
    672,210.40/1,007,926.80 = 251,528.80/x
  3. Step 3: Cross multiply
    672,210.40x = 1,007,926.80 × 251,528.80
  4. Step 4: Simplify right side
    672,210.40x = 253,522,618,491.84
  5. Step 5: Solve for x
    x = 253,522,618,491.84/672,210.40
  6. Step 6: Final answer
    x = 377,147.72

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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.