Home / 999,975.67-1,500,150.30-400,983.71

Finding the Fourth Proportional to 999,975.67, 1,500,150.30 and 400,983.71

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Solution

The fourth proportional to 999,975.67, 1,500,150.30 and 400,983.71 is: 601,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,975.67 : 1,500,150.30 = 400,983.71 : x
  2. Step 2: Convert to fraction form
    999,975.67/1,500,150.30 = 400,983.71/x
  3. Step 3: Cross multiply
    999,975.67x = 1,500,150.30 × 400,983.71
  4. Step 4: Simplify right side
    999,975.67x = 601,535,832,851.61
  5. Step 5: Solve for x
    x = 601,535,832,851.61/999,975.67
  6. Step 6: Final answer
    x = 601,550.47

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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.