Home / 815,431.01-1,125,332.16-452,856.47

Finding the Fourth Proportional to 815,431.01, 1,125,332.16 and 452,856.47

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Solution

The fourth proportional to 815,431.01, 1,125,332.16 and 452,856.47 is: 624,962.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,431.01 : 1,125,332.16 = 452,856.47 : x
  2. Step 2: Convert to fraction form
    815,431.01/1,125,332.16 = 452,856.47/x
  3. Step 3: Cross multiply
    815,431.01x = 1,125,332.16 × 452,856.47
  4. Step 4: Simplify right side
    815,431.01x = 509,613,949,555.08
  5. Step 5: Solve for x
    x = 509,613,949,555.08/815,431.01
  6. Step 6: Final answer
    x = 624,962.68

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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.