Home / 869,762.04-1,304,330.39-300,988.69

Finding the Fourth Proportional to 869,762.04, 1,304,330.39 and 300,988.69

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Solution

The fourth proportional to 869,762.04, 1,304,330.39 and 300,988.69 is: 451,374.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,762.04 : 1,304,330.39 = 300,988.69 : x
  2. Step 2: Convert to fraction form
    869,762.04/1,304,330.39 = 300,988.69/x
  3. Step 3: Cross multiply
    869,762.04x = 1,304,330.39 × 300,988.69
  4. Step 4: Simplify right side
    869,762.04x = 392,588,700,277.13
  5. Step 5: Solve for x
    x = 392,588,700,277.13/869,762.04
  6. Step 6: Final answer
    x = 451,374.84

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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.