Home / 671,343.80-926,427.17-384,664.55

Finding the Fourth Proportional to 671,343.80, 926,427.17 and 384,664.55

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Solution

The fourth proportional to 671,343.80, 926,427.17 and 384,664.55 is: 530,821.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,343.80 : 926,427.17 = 384,664.55 : x
  2. Step 2: Convert to fraction form
    671,343.80/926,427.17 = 384,664.55/x
  3. Step 3: Cross multiply
    671,343.80x = 926,427.17 × 384,664.55
  4. Step 4: Simplify right side
    671,343.80x = 356,363,686,785.35
  5. Step 5: Solve for x
    x = 356,363,686,785.35/671,343.80
  6. Step 6: Final answer
    x = 530,821.45

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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.