Home / 984,358.66-1,478,139.89-607,673.88

Finding the Fourth Proportional to 984,358.66, 1,478,139.89 and 607,673.88

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Solution

The fourth proportional to 984,358.66, 1,478,139.89 and 607,673.88 is: 912,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,358.66 : 1,478,139.89 = 607,673.88 : x
  2. Step 2: Convert to fraction form
    984,358.66/1,478,139.89 = 607,673.88/x
  3. Step 3: Cross multiply
    984,358.66x = 1,478,139.89 × 607,673.88
  4. Step 4: Simplify right side
    984,358.66x = 898,227,002,518.87
  5. Step 5: Solve for x
    x = 898,227,002,518.87/984,358.66
  6. Step 6: Final answer
    x = 912,499.72

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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.