Home / 929,182.20-1,392,023.70-478,368.60

Finding the Fourth Proportional to 929,182.20, 1,392,023.70 and 478,368.60

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Solution

The fourth proportional to 929,182.20, 1,392,023.70 and 478,368.60 is: 716,652.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,182.20 : 1,392,023.70 = 478,368.60 : x
  2. Step 2: Convert to fraction form
    929,182.20/1,392,023.70 = 478,368.60/x
  3. Step 3: Cross multiply
    929,182.20x = 1,392,023.70 × 478,368.60
  4. Step 4: Simplify right side
    929,182.20x = 665,900,428,535.82
  5. Step 5: Solve for x
    x = 665,900,428,535.82/929,182.20
  6. Step 6: Final answer
    x = 716,652.16

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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.