Home / 696,043.20-1,044,064.80-486,091.20

Finding the Fourth Proportional to 696,043.20, 1,044,064.80 and 486,091.20

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Solution

The fourth proportional to 696,043.20, 1,044,064.80 and 486,091.20 is: 729,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,043.20 : 1,044,064.80 = 486,091.20 : x
  2. Step 2: Convert to fraction form
    696,043.20/1,044,064.80 = 486,091.20/x
  3. Step 3: Cross multiply
    696,043.20x = 1,044,064.80 × 486,091.20
  4. Step 4: Simplify right side
    696,043.20x = 507,510,711,509.76
  5. Step 5: Solve for x
    x = 507,510,711,509.76/696,043.20
  6. Step 6: Final answer
    x = 729,136.80

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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.