Home / 742,160.34-1,024,181.64-402,628.50

Finding the Fourth Proportional to 742,160.34, 1,024,181.64 and 402,628.50

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Solution

The fourth proportional to 742,160.34, 1,024,181.64 and 402,628.50 is: 555,627.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,160.34 : 1,024,181.64 = 402,628.50 : x
  2. Step 2: Convert to fraction form
    742,160.34/1,024,181.64 = 402,628.50/x
  3. Step 3: Cross multiply
    742,160.34x = 1,024,181.64 × 402,628.50
  4. Step 4: Simplify right side
    742,160.34x = 412,364,717,440.74
  5. Step 5: Solve for x
    x = 412,364,717,440.74/742,160.34
  6. Step 6: Final answer
    x = 555,627.53

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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.