Home / 671,434.12-926,522.58-384,888.52

Finding the Fourth Proportional to 671,434.12, 926,522.58 and 384,888.52

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Solution

The fourth proportional to 671,434.12, 926,522.58 and 384,888.52 is: 531,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,434.12 : 926,522.58 = 384,888.52 : x
  2. Step 2: Convert to fraction form
    671,434.12/926,522.58 = 384,888.52/x
  3. Step 3: Cross multiply
    671,434.12x = 926,522.58 × 384,888.52
  4. Step 4: Simplify right side
    671,434.12x = 356,607,904,562.78
  5. Step 5: Solve for x
    x = 356,607,904,562.78/671,434.12
  6. Step 6: Final answer
    x = 531,113.77

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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.