Home / 771,101.84-1,064,153.78-426,937.76

Finding the Fourth Proportional to 771,101.84, 1,064,153.78 and 426,937.76

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Solution

The fourth proportional to 771,101.84, 1,064,153.78 and 426,937.76 is: 589,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,101.84 : 1,064,153.78 = 426,937.76 : x
  2. Step 2: Convert to fraction form
    771,101.84/1,064,153.78 = 426,937.76/x
  3. Step 3: Cross multiply
    771,101.84x = 1,064,153.78 × 426,937.76
  4. Step 4: Simplify right side
    771,101.84x = 454,327,431,128.73
  5. Step 5: Solve for x
    x = 454,327,431,128.73/771,101.84
  6. Step 6: Final answer
    x = 589,192.51

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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.