Home / 997,098.75-1,496,025.01-390,320.67

Finding the Fourth Proportional to 997,098.75, 1,496,025.01 and 390,320.67

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Solution

The fourth proportional to 997,098.75, 1,496,025.01 and 390,320.67 is: 585,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,098.75 : 1,496,025.01 = 390,320.67 : x
  2. Step 2: Convert to fraction form
    997,098.75/1,496,025.01 = 390,320.67/x
  3. Step 3: Cross multiply
    997,098.75x = 1,496,025.01 × 390,320.67
  4. Step 4: Simplify right side
    997,098.75x = 583,929,480,459.24
  5. Step 5: Solve for x
    x = 583,929,480,459.24/997,098.75
  6. Step 6: Final answer
    x = 585,628.54

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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.