Home / 742,361.79-1,024,462.08-402,830.04

Finding the Fourth Proportional to 742,361.79, 1,024,462.08 and 402,830.04

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Solution

The fourth proportional to 742,361.79, 1,024,462.08 and 402,830.04 is: 555,906.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,361.79 : 1,024,462.08 = 402,830.04 : x
  2. Step 2: Convert to fraction form
    742,361.79/1,024,462.08 = 402,830.04/x
  3. Step 3: Cross multiply
    742,361.79x = 1,024,462.08 × 402,830.04
  4. Step 4: Simplify right side
    742,361.79x = 412,684,100,664.88
  5. Step 5: Solve for x
    x = 412,684,100,664.88/742,361.79
  6. Step 6: Final answer
    x = 555,906.98

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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.