Home / 742,107.02-1,024,109.66-402,575.27

Finding the Fourth Proportional to 742,107.02, 1,024,109.66 and 402,575.27

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Solution

The fourth proportional to 742,107.02, 1,024,109.66 and 402,575.27 is: 555,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,107.02 : 1,024,109.66 = 402,575.27 : x
  2. Step 2: Convert to fraction form
    742,107.02/1,024,109.66 = 402,575.27/x
  3. Step 3: Cross multiply
    742,107.02x = 1,024,109.66 × 402,575.27
  4. Step 4: Simplify right side
    742,107.02x = 412,281,215,750.68
  5. Step 5: Solve for x
    x = 412,281,215,750.68/742,107.02
  6. Step 6: Final answer
    x = 555,554.94

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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.