Home / 997,103.14-1,496,031.57-390,325.05

Finding the Fourth Proportional to 997,103.14, 1,496,031.57 and 390,325.05

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Solution

The fourth proportional to 997,103.14, 1,496,031.57 and 390,325.05 is: 585,635.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,103.14 : 1,496,031.57 = 390,325.05 : x
  2. Step 2: Convert to fraction form
    997,103.14/1,496,031.57 = 390,325.05/x
  3. Step 3: Cross multiply
    997,103.14x = 1,496,031.57 × 390,325.05
  4. Step 4: Simplify right side
    997,103.14x = 583,938,597,361.83
  5. Step 5: Solve for x
    x = 583,938,597,361.83/997,103.14
  6. Step 6: Final answer
    x = 585,635.10

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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.