Home / 890,989.62-1,337,148.69-358,515.18

Finding the Fourth Proportional to 890,989.62, 1,337,148.69 and 358,515.18

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Solution

The fourth proportional to 890,989.62, 1,337,148.69 and 358,515.18 is: 538,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,989.62 : 1,337,148.69 = 358,515.18 : x
  2. Step 2: Convert to fraction form
    890,989.62/1,337,148.69 = 358,515.18/x
  3. Step 3: Cross multiply
    890,989.62x = 1,337,148.69 × 358,515.18
  4. Step 4: Simplify right side
    890,989.62x = 479,388,103,282.11
  5. Step 5: Solve for x
    x = 479,388,103,282.11/890,989.62
  6. Step 6: Final answer
    x = 538,040.05

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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.