Home / 904,491.70-1,357,515.15-399,829.30

Finding the Fourth Proportional to 904,491.70, 1,357,515.15 and 399,829.30

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Solution

The fourth proportional to 904,491.70, 1,357,515.15 and 399,829.30 is: 600,087.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,491.70 : 1,357,515.15 = 399,829.30 : x
  2. Step 2: Convert to fraction form
    904,491.70/1,357,515.15 = 399,829.30/x
  3. Step 3: Cross multiply
    904,491.70x = 1,357,515.15 × 399,829.30
  4. Step 4: Simplify right side
    904,491.70x = 542,774,332,163.90
  5. Step 5: Solve for x
    x = 542,774,332,163.90/904,491.70
  6. Step 6: Final answer
    x = 600,087.69

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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.