Home / 692,836.12-955,584.30-478,335.16

Finding the Fourth Proportional to 692,836.12, 955,584.30 and 478,335.16

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Solution

The fourth proportional to 692,836.12, 955,584.30 and 478,335.16 is: 659,736.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,836.12 : 955,584.30 = 478,335.16 : x
  2. Step 2: Convert to fraction form
    692,836.12/955,584.30 = 478,335.16/x
  3. Step 3: Cross multiply
    692,836.12x = 955,584.30 × 478,335.16
  4. Step 4: Simplify right side
    692,836.12x = 457,089,569,033.99
  5. Step 5: Solve for x
    x = 457,089,569,033.99/692,836.12
  6. Step 6: Final answer
    x = 659,736.92

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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.