Home / 742,405.76-1,024,522.63-402,873.92

Finding the Fourth Proportional to 742,405.76, 1,024,522.63 and 402,873.92

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Solution

The fourth proportional to 742,405.76, 1,024,522.63 and 402,873.92 is: 555,967.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,405.76 : 1,024,522.63 = 402,873.92 : x
  2. Step 2: Convert to fraction form
    742,405.76/1,024,522.63 = 402,873.92/x
  3. Step 3: Cross multiply
    742,405.76x = 1,024,522.63 × 402,873.92
  4. Step 4: Simplify right side
    742,405.76x = 412,753,441,947.01
  5. Step 5: Solve for x
    x = 412,753,441,947.01/742,405.76
  6. Step 6: Final answer
    x = 555,967.46

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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.