Home / 787,749.60-1,181,624.40-535,807.20

Finding the Fourth Proportional to 787,749.60, 1,181,624.40 and 535,807.20

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Solution

The fourth proportional to 787,749.60, 1,181,624.40 and 535,807.20 is: 803,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,749.60 : 1,181,624.40 = 535,807.20 : x
  2. Step 2: Convert to fraction form
    787,749.60/1,181,624.40 = 535,807.20/x
  3. Step 3: Cross multiply
    787,749.60x = 1,181,624.40 × 535,807.20
  4. Step 4: Simplify right side
    787,749.60x = 633,122,861,215.68
  5. Step 5: Solve for x
    x = 633,122,861,215.68/787,749.60
  6. Step 6: Final answer
    x = 803,710.80

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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.