Home / 865,829.60-1,298,873.40-266,740.64

Finding the Fourth Proportional to 865,829.60, 1,298,873.40 and 266,740.64

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Solution

The fourth proportional to 865,829.60, 1,298,873.40 and 266,740.64 is: 400,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,829.60 : 1,298,873.40 = 266,740.64 : x
  2. Step 2: Convert to fraction form
    865,829.60/1,298,873.40 = 266,740.64/x
  3. Step 3: Cross multiply
    865,829.60x = 1,298,873.40 × 266,740.64
  4. Step 4: Simplify right side
    865,829.60x = 346,462,321,994.98
  5. Step 5: Solve for x
    x = 346,462,321,994.98/865,829.60
  6. Step 6: Final answer
    x = 400,150.70

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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.