Home / 832,964.71-1,249,188.51-300,416.55

Finding the Fourth Proportional to 832,964.71, 1,249,188.51 and 300,416.55

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Solution

The fourth proportional to 832,964.71, 1,249,188.51 and 300,416.55 is: 450,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,964.71 : 1,249,188.51 = 300,416.55 : x
  2. Step 2: Convert to fraction form
    832,964.71/1,249,188.51 = 300,416.55/x
  3. Step 3: Cross multiply
    832,964.71x = 1,249,188.51 × 300,416.55
  4. Step 4: Simplify right side
    832,964.71x = 375,276,902,473.84
  5. Step 5: Solve for x
    x = 375,276,902,473.84/832,964.71
  6. Step 6: Final answer
    x = 450,531.57

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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.