Home / 837,013.52-1,155,091.80-455,041.76

Finding the Fourth Proportional to 837,013.52, 1,155,091.80 and 455,041.76

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Solution

The fourth proportional to 837,013.52, 1,155,091.80 and 455,041.76 is: 627,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,013.52 : 1,155,091.80 = 455,041.76 : x
  2. Step 2: Convert to fraction form
    837,013.52/1,155,091.80 = 455,041.76/x
  3. Step 3: Cross multiply
    837,013.52x = 1,155,091.80 × 455,041.76
  4. Step 4: Simplify right side
    837,013.52x = 525,615,005,633.57
  5. Step 5: Solve for x
    x = 525,615,005,633.57/837,013.52
  6. Step 6: Final answer
    x = 627,964.77

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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.