Home / 731,497.37-1,009,472.42-425,750.67

Finding the Fourth Proportional to 731,497.37, 1,009,472.42 and 425,750.67

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Solution

The fourth proportional to 731,497.37, 1,009,472.42 and 425,750.67 is: 587,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,497.37 : 1,009,472.42 = 425,750.67 : x
  2. Step 2: Convert to fraction form
    731,497.37/1,009,472.42 = 425,750.67/x
  3. Step 3: Cross multiply
    731,497.37x = 1,009,472.42 × 425,750.67
  4. Step 4: Simplify right side
    731,497.37x = 429,783,560,225.90
  5. Step 5: Solve for x
    x = 429,783,560,225.90/731,497.37
  6. Step 6: Final answer
    x = 587,539.45

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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.