Home / 929,124.60-1,392,273.78-423,390.84

Finding the Fourth Proportional to 929,124.60, 1,392,273.78 and 423,390.84

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Solution

The fourth proportional to 929,124.60, 1,392,273.78 and 423,390.84 is: 634,442.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,124.60 : 1,392,273.78 = 423,390.84 : x
  2. Step 2: Convert to fraction form
    929,124.60/1,392,273.78 = 423,390.84/x
  3. Step 3: Cross multiply
    929,124.60x = 1,392,273.78 × 423,390.84
  4. Step 4: Simplify right side
    929,124.60x = 589,475,965,224.18
  5. Step 5: Solve for x
    x = 589,475,965,224.18/929,124.60
  6. Step 6: Final answer
    x = 634,442.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.