Home / 865,767.60-1,298,651.40-708,303.60

Finding the Fourth Proportional to 865,767.60, 1,298,651.40 and 708,303.60

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Solution

The fourth proportional to 865,767.60, 1,298,651.40 and 708,303.60 is: 1,062,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,767.60 : 1,298,651.40 = 708,303.60 : x
  2. Step 2: Convert to fraction form
    865,767.60/1,298,651.40 = 708,303.60/x
  3. Step 3: Cross multiply
    865,767.60x = 1,298,651.40 × 708,303.60
  4. Step 4: Simplify right side
    865,767.60x = 919,839,461,765.04
  5. Step 5: Solve for x
    x = 919,839,461,765.04/865,767.60
  6. Step 6: Final answer
    x = 1,062,455.40

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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.