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Finding the Fourth Proportional to 897,881.60, 1,346,973.60 and 266,859.20

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Solution

The fourth proportional to 897,881.60, 1,346,973.60 and 266,859.20 is: 400,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,881.60 : 1,346,973.60 = 266,859.20 : x
  2. Step 2: Convert to fraction form
    897,881.60/1,346,973.60 = 266,859.20/x
  3. Step 3: Cross multiply
    897,881.60x = 1,346,973.60 × 266,859.20
  4. Step 4: Simplify right side
    897,881.60x = 359,452,297,317.12
  5. Step 5: Solve for x
    x = 359,452,297,317.12/897,881.60
  6. Step 6: Final answer
    x = 400,333.74

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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.