Home / 742,404.40-1,113,606.60-553,447.60

Finding the Fourth Proportional to 742,404.40, 1,113,606.60 and 553,447.60

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Solution

The fourth proportional to 742,404.40, 1,113,606.60 and 553,447.60 is: 830,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,404.40 : 1,113,606.60 = 553,447.60 : x
  2. Step 2: Convert to fraction form
    742,404.40/1,113,606.60 = 553,447.60/x
  3. Step 3: Cross multiply
    742,404.40x = 1,113,606.60 × 553,447.60
  4. Step 4: Simplify right side
    742,404.40x = 616,322,900,114.16
  5. Step 5: Solve for x
    x = 616,322,900,114.16/742,404.40
  6. Step 6: Final answer
    x = 830,171.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.