Home / 685,511.64-947,811.92-600,384.68

Finding the Fourth Proportional to 685,511.64, 947,811.92 and 600,384.68

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Solution

The fourth proportional to 685,511.64, 947,811.92 and 600,384.68 is: 830,112.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,511.64 : 947,811.92 = 600,384.68 : x
  2. Step 2: Convert to fraction form
    685,511.64/947,811.92 = 600,384.68/x
  3. Step 3: Cross multiply
    685,511.64x = 947,811.92 × 600,384.68
  4. Step 4: Simplify right side
    685,511.64x = 569,051,756,289.39
  5. Step 5: Solve for x
    x = 569,051,756,289.39/685,511.64
  6. Step 6: Final answer
    x = 830,112.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.