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Finding the Fourth Proportional to 670,429.33, 925,060.13 and 376,088.83

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Solution

The fourth proportional to 670,429.33, 925,060.13 and 376,088.83 is: 518,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,429.33 : 925,060.13 = 376,088.83 : x
  2. Step 2: Convert to fraction form
    670,429.33/925,060.13 = 376,088.83/x
  3. Step 3: Cross multiply
    670,429.33x = 925,060.13 × 376,088.83
  4. Step 4: Simplify right side
    670,429.33x = 347,904,779,188.59
  5. Step 5: Solve for x
    x = 347,904,779,188.59/670,429.33
  6. Step 6: Final answer
    x = 518,928.34

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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.