Home / 742,572.08-1,113,902.64-210,133.52

Finding the Fourth Proportional to 742,572.08, 1,113,902.64 and 210,133.52

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Solution

The fourth proportional to 742,572.08, 1,113,902.64 and 210,133.52 is: 315,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,572.08 : 1,113,902.64 = 210,133.52 : x
  2. Step 2: Convert to fraction form
    742,572.08/1,113,902.64 = 210,133.52/x
  3. Step 3: Cross multiply
    742,572.08x = 1,113,902.64 × 210,133.52
  4. Step 4: Simplify right side
    742,572.08x = 234,068,282,680.49
  5. Step 5: Solve for x
    x = 234,068,282,680.49/742,572.08
  6. Step 6: Final answer
    x = 315,212.88

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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.