Home / 897,365.52-1,346,308.97-290,140.92

Finding the Fourth Proportional to 897,365.52, 1,346,308.97 and 290,140.92

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Solution

The fourth proportional to 897,365.52, 1,346,308.97 and 290,140.92 is: 435,295.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,365.52 : 1,346,308.97 = 290,140.92 : x
  2. Step 2: Convert to fraction form
    897,365.52/1,346,308.97 = 290,140.92/x
  3. Step 3: Cross multiply
    897,365.52x = 1,346,308.97 × 290,140.92
  4. Step 4: Simplify right side
    897,365.52x = 390,619,321,709.35
  5. Step 5: Solve for x
    x = 390,619,321,709.35/897,365.52
  6. Step 6: Final answer
    x = 435,295.67

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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.