Home / 832,148.60-1,148,397.65-487,936.67

Finding the Fourth Proportional to 832,148.60, 1,148,397.65 and 487,936.67

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Solution

The fourth proportional to 832,148.60, 1,148,397.65 and 487,936.67 is: 673,371.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,148.60 : 1,148,397.65 = 487,936.67 : x
  2. Step 2: Convert to fraction form
    832,148.60/1,148,397.65 = 487,936.67/x
  3. Step 3: Cross multiply
    832,148.60x = 1,148,397.65 × 487,936.67
  4. Step 4: Simplify right side
    832,148.60x = 560,345,322,737.14
  5. Step 5: Solve for x
    x = 560,345,322,737.14/832,148.60
  6. Step 6: Final answer
    x = 673,371.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.