Home / 742,628.52-1,114,001.64-210,152.88

Finding the Fourth Proportional to 742,628.52, 1,114,001.64 and 210,152.88

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Solution

The fourth proportional to 742,628.52, 1,114,001.64 and 210,152.88 is: 315,245.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,628.52 : 1,114,001.64 = 210,152.88 : x
  2. Step 2: Convert to fraction form
    742,628.52/1,114,001.64 = 210,152.88/x
  3. Step 3: Cross multiply
    742,628.52x = 1,114,001.64 × 210,152.88
  4. Step 4: Simplify right side
    742,628.52x = 234,110,652,970.72
  5. Step 5: Solve for x
    x = 234,110,652,970.72/742,628.52
  6. Step 6: Final answer
    x = 315,245.98

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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.