Home / 832,150.10-1,148,364.60-450,176.78

Finding the Fourth Proportional to 832,150.10, 1,148,364.60 and 450,176.78

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Solution

The fourth proportional to 832,150.10, 1,148,364.60 and 450,176.78 is: 621,242.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,150.10 : 1,148,364.60 = 450,176.78 : x
  2. Step 2: Convert to fraction form
    832,150.10/1,148,364.60 = 450,176.78/x
  3. Step 3: Cross multiply
    832,150.10x = 1,148,364.60 × 450,176.78
  4. Step 4: Simplify right side
    832,150.10x = 516,967,077,893.99
  5. Step 5: Solve for x
    x = 516,967,077,893.99/832,150.10
  6. Step 6: Final answer
    x = 621,242.58

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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.