Home / 930,437.28-1,395,639.72-509,483.52

Finding the Fourth Proportional to 930,437.28, 1,395,639.72 and 509,483.52

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Solution

The fourth proportional to 930,437.28, 1,395,639.72 and 509,483.52 is: 764,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,437.28 : 1,395,639.72 = 509,483.52 : x
  2. Step 2: Convert to fraction form
    930,437.28/1,395,639.72 = 509,483.52/x
  3. Step 3: Cross multiply
    930,437.28x = 1,395,639.72 × 509,483.52
  4. Step 4: Simplify right side
    930,437.28x = 711,055,437,197.41
  5. Step 5: Solve for x
    x = 711,055,437,197.41/930,437.28
  6. Step 6: Final answer
    x = 764,216.41

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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.