Home / 947,905.92-1,421,571.52-498,384.32

Finding the Fourth Proportional to 947,905.92, 1,421,571.52 and 498,384.32

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Solution

The fourth proportional to 947,905.92, 1,421,571.52 and 498,384.32 is: 747,425.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,905.92 : 1,421,571.52 = 498,384.32 : x
  2. Step 2: Convert to fraction form
    947,905.92/1,421,571.52 = 498,384.32/x
  3. Step 3: Cross multiply
    947,905.92x = 1,421,571.52 × 498,384.32
  4. Step 4: Simplify right side
    947,905.92x = 708,488,955,326.57
  5. Step 5: Solve for x
    x = 708,488,955,326.57/947,905.92
  6. Step 6: Final answer
    x = 747,425.39

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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.