Home / 832,147.35-1,148,395.91-487,935.42

Finding the Fourth Proportional to 832,147.35, 1,148,395.91 and 487,935.42

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Solution

The fourth proportional to 832,147.35, 1,148,395.91 and 487,935.42 is: 673,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,147.35 : 1,148,395.91 = 487,935.42 : x
  2. Step 2: Convert to fraction form
    832,147.35/1,148,395.91 = 487,935.42/x
  3. Step 3: Cross multiply
    832,147.35x = 1,148,395.91 × 487,935.42
  4. Step 4: Simplify right side
    832,147.35x = 560,343,038,232.46
  5. Step 5: Solve for x
    x = 560,343,038,232.46/832,147.35
  6. Step 6: Final answer
    x = 673,369.97

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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.