Home / 815,086.18-1,221,038.79-533,750.50

Finding the Fourth Proportional to 815,086.18, 1,221,038.79 and 533,750.50

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Solution

The fourth proportional to 815,086.18, 1,221,038.79 and 533,750.50 is: 799,584.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,086.18 : 1,221,038.79 = 533,750.50 : x
  2. Step 2: Convert to fraction form
    815,086.18/1,221,038.79 = 533,750.50/x
  3. Step 3: Cross multiply
    815,086.18x = 1,221,038.79 × 533,750.50
  4. Step 4: Simplify right side
    815,086.18x = 651,730,064,681.90
  5. Step 5: Solve for x
    x = 651,730,064,681.90/815,086.18
  6. Step 6: Final answer
    x = 799,584.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.