Home / 656,305.10-984,488.94-318,943.82

Finding the Fourth Proportional to 656,305.10, 984,488.94 and 318,943.82

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Solution

The fourth proportional to 656,305.10, 984,488.94 and 318,943.82 is: 478,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,305.10 : 984,488.94 = 318,943.82 : x
  2. Step 2: Convert to fraction form
    656,305.10/984,488.94 = 318,943.82/x
  3. Step 3: Cross multiply
    656,305.10x = 984,488.94 × 318,943.82
  4. Step 4: Simplify right side
    656,305.10x = 313,996,663,271.35
  5. Step 5: Solve for x
    x = 313,996,663,271.35/656,305.10
  6. Step 6: Final answer
    x = 478,430.94

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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.