Home / 869,451.84-1,304,178.48-700,178.40

Finding the Fourth Proportional to 869,451.84, 1,304,178.48 and 700,178.40

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Solution

The fourth proportional to 869,451.84, 1,304,178.48 and 700,178.40 is: 1,050,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,451.84 : 1,304,178.48 = 700,178.40 : x
  2. Step 2: Convert to fraction form
    869,451.84/1,304,178.48 = 700,178.40/x
  3. Step 3: Cross multiply
    869,451.84x = 1,304,178.48 × 700,178.40
  4. Step 4: Simplify right side
    869,451.84x = 913,157,601,440.83
  5. Step 5: Solve for x
    x = 913,157,601,440.83/869,451.84
  6. Step 6: Final answer
    x = 1,050,268.18

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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.