Home / 742,485.40-1,024,633.50-402,954.04

Finding the Fourth Proportional to 742,485.40, 1,024,633.50 and 402,954.04

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Solution

The fourth proportional to 742,485.40, 1,024,633.50 and 402,954.04 is: 556,078.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,485.40 : 1,024,633.50 = 402,954.04 : x
  2. Step 2: Convert to fraction form
    742,485.40/1,024,633.50 = 402,954.04/x
  3. Step 3: Cross multiply
    742,485.40x = 1,024,633.50 × 402,954.04
  4. Step 4: Simplify right side
    742,485.40x = 412,880,208,344.34
  5. Step 5: Solve for x
    x = 412,880,208,344.34/742,485.40
  6. Step 6: Final answer
    x = 556,078.56

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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.