Home / 610,931.14-843,044.45-338,981.78

Finding the Fourth Proportional to 610,931.14, 843,044.45 and 338,981.78

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Solution

The fourth proportional to 610,931.14, 843,044.45 and 338,981.78 is: 467,772.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,931.14 : 843,044.45 = 338,981.78 : x
  2. Step 2: Convert to fraction form
    610,931.14/843,044.45 = 338,981.78/x
  3. Step 3: Cross multiply
    610,931.14x = 843,044.45 × 338,981.78
  4. Step 4: Simplify right side
    610,931.14x = 285,776,708,692.82
  5. Step 5: Solve for x
    x = 285,776,708,692.82/610,931.14
  6. Step 6: Final answer
    x = 467,772.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.