Home / 904,536.61-1,356,834.88-455,012.53

Finding the Fourth Proportional to 904,536.61, 1,356,834.88 and 455,012.53

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Solution

The fourth proportional to 904,536.61, 1,356,834.88 and 455,012.53 is: 682,533.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,536.61 : 1,356,834.88 = 455,012.53 : x
  2. Step 2: Convert to fraction form
    904,536.61/1,356,834.88 = 455,012.53/x
  3. Step 3: Cross multiply
    904,536.61x = 1,356,834.88 × 455,012.53
  4. Step 4: Simplify right side
    904,536.61x = 617,376,868,717.73
  5. Step 5: Solve for x
    x = 617,376,868,717.73/904,536.61
  6. Step 6: Final answer
    x = 682,533.87

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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.