Home / 815,040.52-1,124,699.50-452,435.72

Finding the Fourth Proportional to 815,040.52, 1,124,699.50 and 452,435.72

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Solution

The fourth proportional to 815,040.52, 1,124,699.50 and 452,435.72 is: 624,329.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,040.52 : 1,124,699.50 = 452,435.72 : x
  2. Step 2: Convert to fraction form
    815,040.52/1,124,699.50 = 452,435.72/x
  3. Step 3: Cross multiply
    815,040.52x = 1,124,699.50 × 452,435.72
  4. Step 4: Simplify right side
    815,040.52x = 508,854,228,066.14
  5. Step 5: Solve for x
    x = 508,854,228,066.14/815,040.52
  6. Step 6: Final answer
    x = 624,329.98

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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.