Home / 832,138.52-1,148,347.20-450,161.96

Finding the Fourth Proportional to 832,138.52, 1,148,347.20 and 450,161.96

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Solution

The fourth proportional to 832,138.52, 1,148,347.20 and 450,161.96 is: 621,221.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,138.52 : 1,148,347.20 = 450,161.96 : x
  2. Step 2: Convert to fraction form
    832,138.52/1,148,347.20 = 450,161.96/x
  3. Step 3: Cross multiply
    832,138.52x = 1,148,347.20 × 450,161.96
  4. Step 4: Simplify right side
    832,138.52x = 516,942,226,312.51
  5. Step 5: Solve for x
    x = 516,942,226,312.51/832,138.52
  6. Step 6: Final answer
    x = 621,221.36

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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.