Home / 815,071.52-1,124,742.24-452,466.72

Finding the Fourth Proportional to 815,071.52, 1,124,742.24 and 452,466.72

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Solution

The fourth proportional to 815,071.52, 1,124,742.24 and 452,466.72 is: 624,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,071.52 : 1,124,742.24 = 452,466.72 : x
  2. Step 2: Convert to fraction form
    815,071.52/1,124,742.24 = 452,466.72/x
  3. Step 3: Cross multiply
    815,071.52x = 1,124,742.24 × 452,466.72
  4. Step 4: Simplify right side
    815,071.52x = 508,908,432,178.25
  5. Step 5: Solve for x
    x = 508,908,432,178.25/815,071.52
  6. Step 6: Final answer
    x = 624,372.73

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Double scale
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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.